3952920 has 32 divisors (see below), whose sum is σ = 11859120. Its totient is φ = 1054080.

The previous prime is 3952919. The next prime is 3952937. The reversal of 3952920 is 292593.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16351 + ... + 16590.

Almost surely, 2^3952920 is an apocalyptic number.

3952920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3952920 is an abundant number, since it is smaller than the sum of its proper divisors (7906200).

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

3952920 is a wasteful number, since it uses less digits than its factorization.

3952920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32955 (or 32951 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3952920 is about 1988.1951614467. The cubic root of 3952920 is about 158.1148553330.

The spelling of 3952920 in words is "three million, nine hundred fifty-two thousand, nine hundred twenty".