342185828 has 12 divisors (see below), whose sum is σ = 599131260. Its totient is φ = 171005472.

The previous prime is 342185827. The next prime is 342185863. The reversal of 342185828 is 828581243.

It can be written as a sum of positive squares in 2 ways, for example, as 108951844 + 233233984 = 10438^2 + 15272^2 .

It is a super-2 number, since 2×342185828² = 234182281768091168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342185827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12623 + ... + 29046.

It is an arithmetic number, because the mean of its divisors is an integer number (49927605).

Almost surely, 2^342185828 is an apocalyptic number.

It is an amenable number.

342185828 is a deficient number, since it is larger than the sum of its proper divisors (256945432).

342185828 is a wasteful number, since it uses less digits than its factorization.

342185828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43726 (or 43724 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 342185828 is about 18498.2655403149. The cubic root of 342185828 is about 699.4457026903.

The spelling of 342185828 in words is "three hundred forty-two million, one hundred eighty-five thousand, eight hundred twenty-eight".