3985974 has 24 divisors (see below), whose sum is σ = 8682960. Its totient is φ = 1321488.

The previous prime is 3985951. The next prime is 3985999. The reversal of 3985974 is 4795893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3639 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (361790).

Almost surely, 2^3985974 is an apocalyptic number.

3985974 is an abundant number, since it is smaller than the sum of its proper divisors (4696986).

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

3985974 is a wasteful number, since it uses less digits than its factorization.

3985974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1201 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3985974 is about 1996.4904207133. The cubic root of 3985974 is about 158.5543471809.

The spelling of 3985974 in words is "three million, nine hundred eighty-five thousand, nine hundred seventy-four".