342187938 has 24 divisors (see below), whose sum is σ = 751566348. Its totient is φ = 112499712.

The previous prime is 342187931. The next prime is 342187973. The reversal of 342187938 is 839781243.

It can be written as a sum of positive squares in 2 ways, for example, as 340291809 + 1896129 = 18447^2 + 1377^2 .

It is a super-3 number, since 3×342187938³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342187893 and 342187902.

It is not an unprimeable number, because it can be changed into a prime (342187931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128895 + ... + 131522.

Almost surely, 2^342187938 is an apocalyptic number.

342187938 is an abundant number, since it is smaller than the sum of its proper divisors (409378410).

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

342187938 is a wasteful number, since it uses less digits than its factorization.

342187938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260498 (or 260495 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 342187938 is about 18498.3225726010. The cubic root of 342187938 is about 699.4471403374.

The spelling of 342187938 in words is "three hundred forty-two million, one hundred eighty-seven thousand, nine hundred thirty-eight".