3968724 has 24 divisors (see below), whose sum is σ = 9321760. Its totient is φ = 1314144.

The previous prime is 3968717. The next prime is 3968729. The reversal of 3968724 is 4278693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 2970.

Almost surely, 2^3968724 is an apocalyptic number.

It is an amenable number.

3968724 is an abundant number, since it is smaller than the sum of its proper divisors (5353036).

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

3968724 is a wasteful number, since it uses less digits than its factorization.

3968724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2197 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3968724 is about 1992.1656557626. The cubic root of 3968724 is about 158.3252925433.

The spelling of 3968724 in words is "three million, nine hundred sixty-eight thousand, seven hundred twenty-four".