3646787056 has 30 divisors (see below), whose sum is σ = 7766379656. Its totient is φ = 1657629600.

The previous prime is 3646787041. The next prime is 3646787077. The reversal of 3646787056 is 6507876463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3646786994 and 3646787012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 939900 + ... + 943771.

Almost surely, 2^3646787056 is an apocalyptic number.

It is an amenable number.

3646787056 is an abundant number, since it is smaller than the sum of its proper divisors (4119592600).

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

3646787056 is a wasteful number, since it uses less digits than its factorization.

3646787056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883701 (or 1883684 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The square root of 3646787056 is about 60388.6335000222. The cubic root of 3646787056 is about 1539.2298189648.

The spelling of 3646787056 in words is "three billion, six hundred forty-six million, seven hundred eighty-seven thousand, fifty-six".