3990050 has 12 divisors (see below), whose sum is σ = 7421586. Its totient is φ = 1596000.

The previous prime is 3990047. The next prime is 3990061. The reversal of 3990050 is 500993.

It can be written as a sum of positive squares in 3 ways, for example, as 2343961 + 1646089 = 1531^2 + 1283^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39851 + ... + 39950.

Almost surely, 2^3990050 is an apocalyptic number.

3990050 is a deficient number, since it is larger than the sum of its proper divisors (3431536).

3990050 is a wasteful number, since it uses less digits than its factorization.

3990050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79813 (or 79808 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 3990050 is about 1997.5109511590. The cubic root of 3990050 is about 158.6083739053.

The spelling of 3990050 in words is "three million, nine hundred ninety thousand, fifty".