3988244556 has 36 divisors (see below), whose sum is σ = 10084178104. Its totient is φ = 1329048000.

The previous prime is 3988244543. The next prime is 3988244567. The reversal of 3988244556 is 6554428893.

3988244556 is a `hidden beast` number, since 3 + 9 + 8 + 82 + 4 + 4 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138051 + ... + 164421.

Almost surely, 2^3988244556 is an apocalyptic number.

3988244556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3988244556 is an abundant number, since it is smaller than the sum of its proper divisors (6095933548).

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

3988244556 is a wasteful number, since it uses less digits than its factorization.

3988244556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582 (or 30577 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 3988244556 is about 63152.5498772615. The cubic root of 3988244556 is about 1585.8444757695.

The spelling of 3988244556 in words is "three billion, nine hundred eighty-eight million, two hundred forty-four thousand, five hundred fifty-six".