3688967556 has 24 divisors (see below), whose sum is σ = 9563990240. Its totient is φ = 1229655816.

The previous prime is 3688967461. The next prime is 3688967563. The reversal of 3688967556 is 6557698863.

3688967556 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3688967556² = 27216963258441226272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3688967493 and 3688967502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17078446 + ... + 17078661.

Almost surely, 2^3688967556 is an apocalyptic number.

3688967556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3688967556 is an abundant number, since it is smaller than the sum of its proper divisors (5875022684).

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

3688967556 is a wasteful number, since it uses less digits than its factorization.

3688967556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34157120 (or 34157112 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The square root of 3688967556 is about 60736.8714703021. The cubic root of 3688967556 is about 1545.1415762430.

The spelling of 3688967556 in words is "three billion, six hundred eighty-eight million, nine hundred sixty-seven thousand, five hundred fifty-six".