3971191104 has 56 divisors (see below), whose sum is σ = 11674571520. Its totient is φ = 1323729792.

The previous prime is 3971191087. The next prime is 3971191117. The reversal of 3971191104 is 4011911793.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 1147344 + ... + 1150799.

Almost surely, 2^3971191104 is an apocalyptic number.

It is an amenable number.

3971191104 is an abundant number, since it is smaller than the sum of its proper divisors (7703380416).

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

3971191104 is a wasteful number, since it uses less digits than its factorization.

3971191104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298164 (or 2298148 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 3971191104 is about 63017.3873149308. The cubic root of 3971191104 is about 1583.5809267863.

The spelling of 3971191104 in words is "three billion, nine hundred seventy-one million, one hundred ninety-one thousand, one hundred four".