345239976 has 16 divisors (see below), whose sum is σ = 863100000. Its totient is φ = 115079984.

The previous prime is 345239969. The next prime is 345239977. The reversal of 345239976 is 679932543.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (345239977) 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, 7192476 + ... + 7192523.

It is an arithmetic number, because the mean of its divisors is an integer number (53943750).

Almost surely, 2^345239976 is an apocalyptic number.

It is an amenable number.

345239976 is an abundant number, since it is smaller than the sum of its proper divisors (517860024).

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

345239976 is a wasteful number, since it uses less digits than its factorization.

345239976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385008 (or 14385004 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 345239976 is about 18580.6344348087. The cubic root of 345239976 is about 701.5204881144.

The spelling of 345239976 in words is "three hundred forty-five million, two hundred thirty-nine thousand, nine hundred seventy-six".