3927920946 has 16 divisors (see below), whose sum is σ = 7896548064. Its totient is φ = 1302522624.

The previous prime is 3927920891. The next prime is 3927920959. The reversal of 3927920946 is 6490297293.

3927920946 is digitally balanced in base 2 and base 4, because in such bases 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, 1694836 + ... + 1697151.

It is an arithmetic number, because the mean of its divisors is an integer number (493534254).

Almost surely, 2^3927920946 is an apocalyptic number.

3927920946 is an abundant number, since it is smaller than the sum of its proper divisors (3968627118).

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

3927920946 is a wasteful number, since it uses less digits than its factorization.

3927920946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392185.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 3927920946 is about 62673.1277821683. The cubic root of 3927920946 is about 1577.8083357968.

The spelling of 3927920946 in words is "three billion, nine hundred twenty-seven million, nine hundred twenty thousand, nine hundred forty-six".