3964520 has 32 divisors (see below), whose sum is σ = 10195200. Its totient is φ = 1359168.

The previous prime is 3964517. The next prime is 3964523. The reversal of 3964520 is 254693.

It is an interprime number because it is at equal distance from previous prime (3964517) and next prime (3964523).

It is not an unprimeable number, because it can be changed into a prime (3964523) 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 7 ways as a sum of consecutive naturals, for example, 6800 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

Almost surely, 2^3964520 is an apocalyptic number.

It is an amenable number.

3964520 is an abundant number, since it is smaller than the sum of its proper divisors (6230680).

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

3964520 is a wasteful number, since it uses less digits than its factorization.

3964520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177 (or 14173 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3964520 is about 1991.1102430554. The cubic root of 3964520 is about 158.2693690536.

The spelling of 3964520 in words is "three million, nine hundred sixty-four thousand, five hundred twenty".