342781930 has 16 divisors (see below), whose sum is σ = 617652864. Its totient is φ = 136969360.

The previous prime is 342781913. The next prime is 342781961. The reversal of 342781930 is 39187243.

It is a self number, because there is not a number n which added to its sum of digits gives 342781930.

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, 7606 + ... + 27265.

It is an arithmetic number, because the mean of its divisors is an integer number (38603304).

Almost surely, 2^342781930 is an apocalyptic number.

342781930 is a deficient number, since it is larger than the sum of its proper divisors (274870934).

342781930 is a wasteful number, since it uses less digits than its factorization.

342781930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35861.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 342781930 is about 18514.3709047864. The cubic root of 342781930 is about 699.8516216118.

The spelling of 342781930 in words is "three hundred forty-two million, seven hundred eighty-one thousand, nine hundred thirty".