3912920 has 32 divisors (see below), whose sum is σ = 9605520. Its totient is φ = 1422720.

The previous prime is 3912919. The next prime is 3912943. The reversal of 3912920 is 292193.

It is a self number, because there is not a number n which added to its sum of digits gives 3912920.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4007 + ... + 4886.

Almost surely, 2^3912920 is an apocalyptic number.

It is an amenable number.

3912920 is an abundant number, since it is smaller than the sum of its proper divisors (5692600).

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

3912920 is a wasteful number, since it uses less digits than its factorization.

3912920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915 (or 8911 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3912920 is about 1978.1102092654. The cubic root of 3912920 is about 157.5797194479.

The spelling of 3912920 in words is "three million, nine hundred twelve thousand, nine hundred twenty".