4065904 has 10 divisors (see below), whose sum is σ = 7877720. Its totient is φ = 2032944.

The previous prime is 4065877. The next prime is 4065913. The reversal of 4065904 is 4095604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127044 + ... + 127075.

It is an arithmetic number, because the mean of its divisors is an integer number (787772).

Almost surely, 2^4065904 is an apocalyptic number.

It is an amenable number.

4065904 is a deficient number, since it is larger than the sum of its proper divisors (3811816).

4065904 is a wasteful number, since it uses less digits than its factorization.

4065904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254127 (or 254121 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4065904 is about 2016.4086887335. The cubic root of 4065904 is about 159.6071612752.

The spelling of 4065904 in words is "four million, sixty-five thousand, nine hundred four".