904493605 has 8 divisors (see below), whose sum is σ = 1110634272. Its totient is φ = 706766928.

The previous prime is 904493593. The next prime is 904493609. The reversal of 904493605 is 506394409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 904493605 - 2⁷ = 904493477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904493609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103259 + ... + 2103688.

It is an arithmetic number, because the mean of its divisors is an integer number (138829284).

Almost surely, 2^904493605 is an apocalyptic number.

It is an amenable number.

904493605 is a deficient number, since it is larger than the sum of its proper divisors (206140667).

904493605 is a wasteful number, since it uses less digits than its factorization.

904493605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206995.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 904493605 is about 30074.8001655871. The cubic root of 904493605 is about 967.0935798962.

The spelling of 904493605 in words is "nine hundred four million, four hundred ninety-three thousand, six hundred five".