3927992 has 16 divisors (see below), whose sum is σ = 7619400. Its totient is φ = 1896160.

The previous prime is 3927971. The next prime is 3927997. The reversal of 3927992 is 2997293.

3927992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3927997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8234 + ... + 8697.

Almost surely, 2^3927992 is an apocalyptic number.

It is an amenable number.

3927992 is a deficient number, since it is larger than the sum of its proper divisors (3691408).

3927992 is a wasteful number, since it uses less digits than its factorization.

3927992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16966 (or 16962 counting only the distinct ones).

The product of its digits is 61236, while the sum is 41.

The square root of 3927992 is about 1981.9162444463. The cubic root of 3927992 is about 157.7817849644.

The spelling of 3927992 in words is "three million, nine hundred twenty-seven thousand, nine hundred ninety-two".