3904965 has 24 divisors (see below), whose sum is σ = 6840288. Its totient is φ = 2060640.

The previous prime is 3904933. The next prime is 3904973. The reversal of 3904965 is 5694093.

It is not a de Polignac number, because 3904965 - 2⁵ = 3904933 is a prime.

3904965 is a lucky number.

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 23 ways as a sum of consecutive naturals, for example, 4410 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (285012).

Almost surely, 2^3904965 is an apocalyptic number.

It is an amenable number.

3904965 is a deficient number, since it is larger than the sum of its proper divisors (2935323).

3904965 is a wasteful number, since it uses less digits than its factorization.

3904965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3904965 is about 1976.0984287226. The cubic root of 3904965 is about 157.4728600250.

The spelling of 3904965 in words is "three million, nine hundred four thousand, nine hundred sixty-five".