345479232 has 56 divisors (see below), whose sum is σ = 1044667456. Its totient is φ = 98707968.

The previous prime is 345479227. The next prime is 345479293. The reversal of 345479232 is 232974543.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127183 + ... + 129870.

It is an arithmetic number, because the mean of its divisors is an integer number (18654776).

Almost surely, 2^345479232 is an apocalyptic number.

345479232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345479232 is an abundant number, since it is smaller than the sum of its proper divisors (699188224).

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

345479232 is a wasteful number, since it uses less digits than its factorization.

345479232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257075 (or 257065 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 345479232 is about 18587.0716359517. The cubic root of 345479232 is about 701.6825051074.

The spelling of 345479232 in words is "three hundred forty-five million, four hundred seventy-nine thousand, two hundred thirty-two".