3988172904 has 16 divisors (see below), whose sum is σ = 9970432320. Its totient is φ = 1329390960.

The previous prime is 3988172899. The next prime is 3988172933. The reversal of 3988172904 is 4092718893.

It is a super-2 number, since 2×3988172904² = 31811046224399586432, which contains 22 as substring.

It is an unprimeable number.

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, 83086912 + ... + 83086959.

It is an arithmetic number, because the mean of its divisors is an integer number (623152020).

Almost surely, 2^3988172904 is an apocalyptic number.

It is an amenable number.

3988172904 is an abundant number, since it is smaller than the sum of its proper divisors (5982259416).

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

3988172904 is a wasteful number, since it uses less digits than its factorization.

3988172904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166173880 (or 166173876 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 3988172904 is about 63151.9825817052. The cubic root of 3988172904 is about 1585.8349787250.

The spelling of 3988172904 in words is "three billion, nine hundred eighty-eight million, one hundred seventy-two thousand, nine hundred four".