343320432 has 160 divisors (see below), whose sum is σ = 1112928768. Its totient is φ = 88777728.

The previous prime is 343320431. The next prime is 343320479. The reversal of 343320432 is 234023343.

343320432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343320431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230763 + ... + 232245.

Almost surely, 2^343320432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343320432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556464384).

343320432 is an abundant number, since it is smaller than the sum of its proper divisors (769608336).

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

343320432 is a wasteful number, since it uses less digits than its factorization.

343320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 343320432 is about 18528.9080088385. The cubic root of 343320432 is about 700.2179131080.

Adding to 343320432 its reverse (234023343), we get a palindrome (577343775).

The spelling of 343320432 in words is "three hundred forty-three million, three hundred twenty thousand, four hundred thirty-two".