3690404 has 6 divisors (see below), whose sum is σ = 6458214. Its totient is φ = 1845200.

The previous prime is 3690397. The next prime is 3690437. The reversal of 3690404 is 4040963.

3690404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 1098304 = 1610^2 + 1048^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461297 + ... + 461304.

It is an arithmetic number, because the mean of its divisors is an integer number (1076369).

Almost surely, 2^3690404 is an apocalyptic number.

It is an amenable number.

3690404 is a deficient number, since it is larger than the sum of its proper divisors (2767810).

3690404 is a wasteful number, since it uses less digits than its factorization.

3690404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922605 (or 922603 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3690404 is about 1921.0424253514. The cubic root of 3690404 is about 154.5342104014.

The spelling of 3690404 in words is "three million, six hundred ninety thousand, four hundred four".