3939071620 has 24 divisors (see below), whose sum is σ = 9024055488. Its totient is φ = 1432389600.

The previous prime is 3939071611. The next prime is 3939071651. The reversal of 3939071620 is 261709393.

3939071620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8952216 + ... + 8952655.

It is an arithmetic number, because the mean of its divisors is an integer number (376002312).

Almost surely, 2^3939071620 is an apocalyptic number.

It is an amenable number.

3939071620 is an abundant number, since it is smaller than the sum of its proper divisors (5084983868).

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

3939071620 is a wasteful number, since it uses less digits than its factorization.

3939071620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17904891 (or 17904889 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 3939071620 is about 62762.0237086090. The cubic root of 3939071620 is about 1579.2999649509.

The spelling of 3939071620 in words is "three billion, nine hundred thirty-nine million, seventy-one thousand, six hundred twenty".