343624 has 8 divisors (see below), whose sum is σ = 644310. Its totient is φ = 171808.

The previous prime is 343601. The next prime is 343627. The reversal of 343624 is 426343.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 4900 = 582^2 + 70^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 3³ + 4 + 6⁷ + 3¹⁰ + 2⁹ + 4⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 343595 and 343604.

It is not an unprimeable number, because it can be changed into a prime (343627) by changing a digit.

343624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21469 + ... + 21484.

2³⁴³⁶²⁴ is an apocalyptic number.

It is an amenable number.

343624 is a deficient number, since it is larger than the sum of its proper divisors (300686).

343624 is a wasteful number, since it uses less digits than its factorization.

343624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959 (or 42955 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 343624 is about 586.1945069685. The cubic root of 343624 is about 70.0424232639.

Adding to 343624 its reverse (426343), we get a palindrome (769967).

The spelling of 343624 in words is "three hundred forty-three thousand, six hundred twenty-four".