343552 has 40 divisors (see below), whose sum is σ = 761112. Its totient is φ = 153600.

The previous prime is 343547. The next prime is 343559. The reversal of 343552 is 255343.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 4⁸ + 5² + 3¹¹ + 5⁶ + 2¹⁶ .

Its product of digits (1800) is a multiple of the sum of its prime factors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343559) by changing a digit.

343552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5602 + ... + 5662.

2³⁴³⁵⁵² is an apocalyptic number.

343552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380556).

343552 is an abundant number, since it is smaller than the sum of its proper divisors (417560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343552 is an equidigital number, since it uses as much as digits as its factorization.

343552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 74 counting only the distinct ones).

The product of its digits is 1800, while the sum is 22.

The square root of 343552 is about 586.1330906885. The cubic root of 343552 is about 70.0375308944.

Adding to 343552 its reverse (255343), we get a palindrome (598895).

Subtracting from 343552 its reverse (255343), we obtain a square (88209 = 297²).

The spelling of 343552 in words is "three hundred forty-three thousand, five hundred fifty-two".