3964959 has 6 divisors (see below), whose sum is σ = 5727176. Its totient is φ = 2643300.

The previous prime is 3964951. The next prime is 3964963. The reversal of 3964959 is 9594693.

It is a happy number.

It is not a de Polignac number, because 3964959 - 2³ = 3964951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220267 + ... + 220284.

Almost surely, 2^3964959 is an apocalyptic number.

3964959 is a deficient number, since it is larger than the sum of its proper divisors (1762217).

3964959 is a wasteful number, since it uses less digits than its factorization.

3964959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440557 (or 440554 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3964959 is about 1991.2204800072. The cubic root of 3964959 is about 158.2752106762.

The spelling of 3964959 in words is "three million, nine hundred sixty-four thousand, nine hundred fifty-nine".