3964872 has 16 divisors (see below), whose sum is σ = 9912240. Its totient is φ = 1321616.

The previous prime is 3964871. The next prime is 3964879. The reversal of 3964872 is 2784693.

It is a self number, because there is not a number n which added to its sum of digits gives 3964872.

It is not an unprimeable number, because it can be changed into a prime (3964871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82578 + ... + 82625.

It is an arithmetic number, because the mean of its divisors is an integer number (619515).

Almost surely, 2^3964872 is an apocalyptic number.

It is an amenable number.

3964872 is an abundant number, since it is smaller than the sum of its proper divisors (5947368).

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

3964872 is a wasteful number, since it uses less digits than its factorization.

3964872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165212 (or 165208 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3964872 is about 1991.1986339891. The cubic root of 3964872 is about 158.2740530313.

The spelling of 3964872 in words is "three million, nine hundred sixty-four thousand, eight hundred seventy-two".