490733604 has 18 divisors (see below), whose sum is σ = 1240465590. Its totient is φ = 163577856.

The previous prime is 490733591. The next prime is 490733651. The reversal of 490733604 is 406337094.

490733604 is a `hidden beast` number, since 49 + 0 + 7 + 3 + 3 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 490711104 + 22500 = 22152^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13631489 = 490733604 / (4 + 9 + 0 + 7 + 3 + 3 + 6 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6815709 + ... + 6815780.

It is an arithmetic number, because the mean of its divisors is an integer number (68914755).

Almost surely, 2^490733604 is an apocalyptic number.

It is an amenable number.

490733604 is an abundant number, since it is smaller than the sum of its proper divisors (749731986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490733604 is a wasteful number, since it uses less digits than its factorization.

490733604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631499 (or 13631494 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 490733604 is about 22152.5078489999. The cubic root of 490733604 is about 788.7667581997.

The spelling of 490733604 in words is "four hundred ninety million, seven hundred thirty-three thousand, six hundred four".