3928492 has 12 divisors (see below), whose sum is σ = 7173936. Its totient is φ = 1878800.

The previous prime is 3928487. The next prime is 3928493. The reversal of 3928492 is 2948293.

It is not an unprimeable number, because it can be changed into a prime (3928493) 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, 21259 + ... + 21442.

It is an arithmetic number, because the mean of its divisors is an integer number (597828).

Almost surely, 2^3928492 is an apocalyptic number.

It is an amenable number.

3928492 is a deficient number, since it is larger than the sum of its proper divisors (3245444).

3928492 is a wasteful number, since it uses less digits than its factorization.

3928492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42728 (or 42726 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 3928492 is about 1982.0423809798. The cubic root of 3928492 is about 157.7884794405.

The spelling of 3928492 in words is "three million, nine hundred twenty-eight thousand, four hundred ninety-two".