3904575 has 24 divisors (see below), whose sum is σ = 6547200. Its totient is φ = 2052960.

The previous prime is 3904547. The next prime is 3904591. The reversal of 3904575 is 5754093.

It is a Cunningham number, because it is equal to 1976²-1.

It is not a de Polignac number, because 3904575 - 2⁷ = 3904447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5596 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (272800).

Almost surely, 2^3904575 is an apocalyptic number.

3904575 is a deficient number, since it is larger than the sum of its proper divisors (2642625).

3904575 is a wasteful number, since it uses less digits than its factorization.

3904575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3904575 is about 1975.9997469635. Note that the first 3 decimals coincide. The cubic root of 3904575 is about 157.4676174292.

The spelling of 3904575 in words is "three million, nine hundred four thousand, five hundred seventy-five".