3909471624 has 48 divisors (see below), whose sum is σ = 10609812720. Its totient is φ = 1300491360.

The previous prime is 3909471617. The next prime is 3909471653. The reversal of 3909471624 is 4261749093.

It is a happy number.

It is a super-2 number, since 2×3909471624² = 30567936757722394752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3909471624.

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, 19942 + ... + 90645.

It is an arithmetic number, because the mean of its divisors is an integer number (221037765).

Almost surely, 2^3909471624 is an apocalyptic number.

It is an amenable number.

3909471624 is an abundant number, since it is smaller than the sum of its proper divisors (6700341096).

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

3909471624 is a wasteful number, since it uses less digits than its factorization.

3909471624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111090 (or 111083 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3909471624 is about 62525.7676802133. The cubic root of 3909471624 is about 1575.3341525327.

The spelling of 3909471624 in words is "three billion, nine hundred nine million, four hundred seventy-one thousand, six hundred twenty-four".