656530934 has 8 divisors (see below), whose sum is σ = 985091328. Its totient is φ = 328167160.

The previous prime is 656530907. The next prime is 656530993. The reversal of 656530934 is 439035656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 656530891 and 656530900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40502 + ... + 54345.

It is an arithmetic number, because the mean of its divisors is an integer number (123136416).

Almost surely, 2^656530934 is an apocalyptic number.

656530934 is a deficient number, since it is larger than the sum of its proper divisors (328560394).

656530934 is a wasteful number, since it uses less digits than its factorization.

656530934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98310.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 656530934 is about 25622.8595984133. The cubic root of 656530934 is about 869.1306478571.

The spelling of 656530934 in words is "six hundred fifty-six million, five hundred thirty thousand, nine hundred thirty-four".