3990674825 has 12 divisors (see below), whose sum is σ = 5053724160. Its totient is φ = 3124612560.

The previous prime is 3990674801. The next prime is 3990674873. The reversal of 3990674825 is 5284760993.

It is a happy number.

It is not a de Polignac number, because 3990674825 - 2¹⁶ = 3990609289 is a prime.

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, 1696985 + ... + 1699334.

It is an arithmetic number, because the mean of its divisors is an integer number (421143680).

Almost surely, 2^3990674825 is an apocalyptic number.

It is an amenable number.

3990674825 is a deficient number, since it is larger than the sum of its proper divisors (1063049335).

3990674825 is a wasteful number, since it uses less digits than its factorization.

3990674825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396376 (or 3396371 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 3990674825 is about 63171.7882048625. The cubic root of 3990674825 is about 1586.1665260727.

The spelling of 3990674825 in words is "three billion, nine hundred ninety million, six hundred seventy-four thousand, eight hundred twenty-five".