3988974 has 32 divisors (see below), whose sum is σ = 9164160. Its totient is φ = 1144800.

The previous prime is 3988969. The next prime is 3988991. The reversal of 3988974 is 4798893.

It is a plaindrome in base 16.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (286380).

Almost surely, 2^3988974 is an apocalyptic number.

3988974 is an abundant number, since it is smaller than the sum of its proper divisors (5175186).

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

3988974 is a wasteful number, since it uses less digits than its factorization.

3988974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 435456, while the sum is 48.

The square root of 3988974 is about 1997.2415978043. The cubic root of 3988974 is about 158.5941152741.

The spelling of 3988974 in words is "three million, nine hundred eighty-eight thousand, nine hundred seventy-four".