345997432 has 32 divisors (see below), whose sum is σ = 710726400. Its totient is φ = 156604000.

The previous prime is 345997427. The next prime is 345997451. The reversal of 345997432 is 234799543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12807 + ... + 29257.

It is an arithmetic number, because the mean of its divisors is an integer number (22210200).

Almost surely, 2^345997432 is an apocalyptic number.

It is an amenable number.

345997432 is an abundant number, since it is smaller than the sum of its proper divisors (364728968).

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

345997432 is a wasteful number, since it uses less digits than its factorization.

345997432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16707 (or 16703 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 345997432 is about 18601.0062093425. The cubic root of 345997432 is about 702.0331583378.

The spelling of 345997432 in words is "three hundred forty-five million, nine hundred ninety-seven thousand, four hundred thirty-two".