342857432 has 32 divisors (see below), whose sum is σ = 677721600. Its totient is φ = 162159264.

The previous prime is 342857407. The next prime is 342857443. The reversal of 342857432 is 234758243.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133553 + ... + 136095.

It is an arithmetic number, because the mean of its divisors is an integer number (21178800).

Almost surely, 2^342857432 is an apocalyptic number.

It is an amenable number.

342857432 is a deficient number, since it is larger than the sum of its proper divisors (334864168).

342857432 is a wasteful number, since it uses less digits than its factorization.

342857432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455 (or 3451 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 342857432 is about 18516.4098031989. The cubic root of 342857432 is about 699.9030015256.

The spelling of 342857432 in words is "three hundred forty-two million, eight hundred fifty-seven thousand, four hundred thirty-two".