3900252 has 12 divisors (see below), whose sum is σ = 9100616. Its totient is φ = 1300080.

The previous prime is 3900233. The next prime is 3900269. The reversal of 3900252 is 2520093.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

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, 162499 + ... + 162522.

Almost surely, 2^3900252 is an apocalyptic number.

It is an amenable number.

3900252 is an abundant number, since it is smaller than the sum of its proper divisors (5200364).

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

3900252 is a wasteful number, since it uses less digits than its factorization.

3900252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325028 (or 325026 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3900252 is about 1974.9055673627. The cubic root of 3900252 is about 157.4094818752.

The spelling of 3900252 in words is "three million, nine hundred thousand, two hundred fifty-two".