3896724 has 24 divisors (see below), whose sum is σ = 9792160. Its totient is φ = 1198944.

The previous prime is 3896707. The next prime is 3896743. The reversal of 3896724 is 4276983.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12334 + ... + 12645.

Almost surely, 2^3896724 is an apocalyptic number.

It is an amenable number.

3896724 is an abundant number, since it is smaller than the sum of its proper divisors (5895436).

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

3896724 is a wasteful number, since it uses less digits than its factorization.

3896724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24999 (or 24997 counting only the distinct ones).

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

The square root of 3896724 is about 1974.0121580173. The cubic root of 3896724 is about 157.3620056111.

The spelling of 3896724 in words is "three million, eight hundred ninety-six thousand, seven hundred twenty-four".