3920752 has 20 divisors (see below), whose sum is σ = 8287416. Its totient is φ = 1782080.

The previous prime is 3920747. The next prime is 3920759. The reversal of 3920752 is 2570293.

It is a self number, because there is not a number n which added to its sum of digits gives 3920752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10963 + ... + 11314.

Almost surely, 2^3920752 is an apocalyptic number.

It is an amenable number.

3920752 is an abundant number, since it is smaller than the sum of its proper divisors (4366664).

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

3920752 is a wasteful number, since it uses less digits than its factorization.

3920752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296 (or 22290 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3920752 is about 1980.0888868937. The cubic root of 3920752 is about 157.6847852175.

The spelling of 3920752 in words is "three million, nine hundred twenty thousand, seven hundred fifty-two".