3985924 has 12 divisors (see below), whose sum is σ = 7047964. Its totient is φ = 1972224.

The previous prime is 3985903. The next prime is 3985951. The reversal of 3985924 is 4295893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 2663424 = 1150^2 + 1632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4749 + ... + 5524.

Almost surely, 2^3985924 is an apocalyptic number.

It is an amenable number.

3985924 is a deficient number, since it is larger than the sum of its proper divisors (3062040).

3985924 is a wasteful number, since it uses less digits than its factorization.

3985924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374 (or 10372 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 3985924 is about 1996.4778987006. The cubic root of 3985924 is about 158.5536842103.

The spelling of 3985924 in words is "three million, nine hundred eighty-five thousand, nine hundred twenty-four".