613896560 has 20 divisors (see below), whose sum is σ = 1427309688. Its totient is φ = 245558592.

The previous prime is 613896551. The next prime is 613896599. The reversal of 613896560 is 65698316.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3836774 + ... + 3836933.

Almost surely, 2^613896560 is an apocalyptic number.

It is an amenable number.

613896560 is an abundant number, since it is smaller than the sum of its proper divisors (813413128).

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

613896560 is a wasteful number, since it uses less digits than its factorization.

613896560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673720 (or 7673714 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 613896560 is about 24776.9360494796. The cubic root of 613896560 is about 849.8945936191.

The spelling of 613896560 in words is "six hundred thirteen million, eight hundred ninety-six thousand, five hundred sixty".