3974928 has 20 divisors (see below), whose sum is σ = 10268688. Its totient is φ = 1324960.

The previous prime is 3974921. The next prime is 3974939. The reversal of 3974928 is 8294793.

It is a self number, because there is not a number n which added to its sum of digits gives 3974928.

It is not an unprimeable number, because it can be changed into a prime (3974921) 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, 41358 + ... + 41453.

Almost surely, 2^3974928 is an apocalyptic number.

It is an amenable number.

3974928 is an abundant number, since it is smaller than the sum of its proper divisors (6293760).

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

3974928 is a wasteful number, since it uses less digits than its factorization.

3974928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82822 (or 82816 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 3974928 is about 1993.7221471409. The cubic root of 3974928 is about 158.4077488302.

The spelling of 3974928 in words is "three million, nine hundred seventy-four thousand, nine hundred twenty-eight".