3912428 has 12 divisors (see below), whose sum is σ = 7373520. Its totient is φ = 1805712.

The previous prime is 3912413. The next prime is 3912439. The reversal of 3912428 is 8242193.

It is a self number, because there is not a number n which added to its sum of digits gives 3912428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37568 + ... + 37671.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

Almost surely, 2^3912428 is an apocalyptic number.

It is an amenable number.

3912428 is a deficient number, since it is larger than the sum of its proper divisors (3461092).

3912428 is a wasteful number, since it uses less digits than its factorization.

3912428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75256 (or 75254 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3912428 is about 1977.9858442365. The cubic root of 3912428 is about 157.5731146216.

The spelling of 3912428 in words is "three million, nine hundred twelve thousand, four hundred twenty-eight".