3992428 has 24 divisors (see below), whose sum is σ = 7870464. Its totient is φ = 1755600.

The previous prime is 3992419. The next prime is 3992441. The reversal of 3992428 is 8242993.

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, 100 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (327936).

Almost surely, 2^3992428 is an apocalyptic number.

It is an amenable number.

3992428 is a deficient number, since it is larger than the sum of its proper divisors (3878036).

3992428 is a wasteful number, since it uses less digits than its factorization.

3992428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2971 counting only the distinct ones).

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

The square root of 3992428 is about 1998.1061032888. The cubic root of 3992428 is about 158.6398769198.

The spelling of 3992428 in words is "three million, nine hundred ninety-two thousand, four hundred twenty-eight".