655615234 has 32 divisors (see below), whose sum is σ = 1061648640. Its totient is φ = 302531328.

The previous prime is 655615231. The next prime is 655615309. The reversal of 655615234 is 432516556.

It is a junction number, because it is equal to n+sod(n) for n = 655615193 and 655615202.

It is not an unprimeable number, because it can be changed into a prime (655615231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630487 + ... + 631525.

It is an arithmetic number, because the mean of its divisors is an integer number (33176520).

Almost surely, 2^655615234 is an apocalyptic number.

655615234 is a deficient number, since it is larger than the sum of its proper divisors (406033406).

655615234 is a wasteful number, since it uses less digits than its factorization.

655615234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its digits is 108000, while the sum is 37.

The square root of 655615234 is about 25604.9845537934. The cubic root of 655615234 is about 868.7263849903.

The spelling of 655615234 in words is "six hundred fifty-five million, six hundred fifteen thousand, two hundred thirty-four".