3939632620 has 48 divisors (see below), whose sum is σ = 10314678528. Its totient is φ = 1227936960.

The previous prime is 3939632617. The next prime is 3939632621. The reversal of 3939632620 is 262369393.

3939632620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3939632621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277562 + ... + 1280641.

It is an arithmetic number, because the mean of its divisors is an integer number (214889136).

Almost surely, 2^3939632620 is an apocalyptic number.

It is an amenable number.

3939632620 is an abundant number, since it is smaller than the sum of its proper divisors (6375045908).

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

3939632620 is a wasteful number, since it uses less digits than its factorization.

3939632620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558230 (or 2558228 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 43.

The square root of 3939632620 is about 62766.4928126465. The cubic root of 3939632620 is about 1579.3749356808.

The spelling of 3939632620 in words is "three billion, nine hundred thirty-nine million, six hundred thirty-two thousand, six hundred twenty".