3904365 has 16 divisors (see below), whose sum is σ = 6519168. Its totient is φ = 1991616.

The previous prime is 3904349. The next prime is 3904379. The reversal of 3904365 is 5634093.

It is a happy number.

It is not a de Polignac number, because 3904365 - 2⁴ = 3904349 is a prime.

3904365 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5314 + ... + 6003.

It is an arithmetic number, because the mean of its divisors is an integer number (407448).

Almost surely, 2^3904365 is an apocalyptic number.

It is an amenable number.

3904365 is a deficient number, since it is larger than the sum of its proper divisors (2614803).

3904365 is a wasteful number, since it uses less digits than its factorization.

3904365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3904365 is about 1975.9466085904. The cubic root of 3904365 is about 157.4647943483.

The spelling of 3904365 in words is "three million, nine hundred four thousand, three hundred sixty-five".