3900015942 has 16 divisors (see below), whose sum is σ = 7909892352. Its totient is φ = 1281695240.

The previous prime is 3900015941. The next prime is 3900015947. The reversal of 3900015942 is 2495100093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900015941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4577058 + ... + 4577909.

It is an arithmetic number, because the mean of its divisors is an integer number (494368272).

Almost surely, 2^3900015942 is an apocalyptic number.

3900015942 is an abundant number, since it is smaller than the sum of its proper divisors (4009876410).

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

3900015942 is a wasteful number, since it uses less digits than its factorization.

3900015942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155043.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 3900015942 is about 62450.1076220049. The cubic root of 3900015942 is about 1574.0630613874.

The spelling of 3900015942 in words is "three billion, nine hundred million, fifteen thousand, nine hundred forty-two".