3947320342 has 24 divisors (see below), whose sum is σ = 6894888264. Its totient is φ = 1689936192.

The previous prime is 3947320327. The next prime is 3947320369. The reversal of 3947320342 is 2430237493.

3947320342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 75133 + ... + 116359.

It is an arithmetic number, because the mean of its divisors is an integer number (287287011).

Almost surely, 2^3947320342 is an apocalyptic number.

3947320342 is a deficient number, since it is larger than the sum of its proper divisors (2947567922).

3947320342 is a wasteful number, since it uses less digits than its factorization.

3947320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42220 (or 42213 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 3947320342 is about 62827.7036187063. The cubic root of 3947320342 is about 1580.4015886208.

The spelling of 3947320342 in words is "three billion, nine hundred forty-seven million, three hundred twenty thousand, three hundred forty-two".