3974646 has 16 divisors (see below), whose sum is σ = 8560944. Its totient is φ = 1222944.

The previous prime is 3974623. The next prime is 3974657. The reversal of 3974646 is 6464793.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 25401 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (535059).

Almost surely, 2^3974646 is an apocalyptic number.

3974646 is an abundant number, since it is smaller than the sum of its proper divisors (4586298).

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

3974646 is a wasteful number, since it uses less digits than its factorization.

3974646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50975.

The product of its digits is 108864, while the sum is 39.

The square root of 3974646 is about 1993.6514238954. The cubic root of 3974646 is about 158.4040026792.

The spelling of 3974646 in words is "three million, nine hundred seventy-four thousand, six hundred forty-six".