3990052 has 48 divisors (see below), whose sum is σ = 8164800. Its totient is φ = 1688960.

The previous prime is 3990047. The next prime is 3990061. The reversal of 3990052 is 2500993.

It is a self number, because there is not a number n which added to its sum of digits gives 3990052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67599 + ... + 67657.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 2^3990052 is an apocalyptic number.

It is an amenable number.

3990052 is an abundant number, since it is smaller than the sum of its proper divisors (4174748).

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

3990052 is a wasteful number, since it uses less digits than its factorization.

3990052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 3990052 is about 1997.5114517819. The cubic root of 3990052 is about 158.6084004059.

The spelling of 3990052 in words is "three million, nine hundred ninety thousand, fifty-two".