656104634 has 8 divisors (see below), whose sum is σ = 985647828. Its totient is φ = 327555360.

The previous prime is 656104619. The next prime is 656104639. The reversal of 656104634 is 436401656.

It can be written as a sum of positive squares in 2 ways, for example, as 559180609 + 96924025 = 23647^2 + 9845^2 .

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 = 656104594 and 656104603.

It is not an unprimeable number, because it can be changed into a prime (656104639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246827 + ... + 249470.

Almost surely, 2^656104634 is an apocalyptic number.

656104634 is a deficient number, since it is larger than the sum of its proper divisors (329543194).

656104634 is a wasteful number, since it uses less digits than its factorization.

656104634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496960.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 656104634 is about 25614.5395039614. The cubic root of 656104634 is about 868.9424919006.

The spelling of 656104634 in words is "six hundred fifty-six million, one hundred four thousand, six hundred thirty-four".