904513780 has 12 divisors (see below), whose sum is σ = 1899478980. Its totient is φ = 361805504.

The previous prime is 904513777. The next prime is 904513789. The reversal of 904513780 is 87315409.

It can be written as a sum of positive squares in 2 ways, for example, as 722749456 + 181764324 = 26884^2 + 13482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904513789) 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 3 ways as a sum of consecutive naturals, for example, 22612825 + ... + 22612864.

It is an arithmetic number, because the mean of its divisors is an integer number (158289915).

Almost surely, 2^904513780 is an apocalyptic number.

It is an amenable number.

904513780 is an abundant number, since it is smaller than the sum of its proper divisors (994965200).

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

904513780 is a wasteful number, since it uses less digits than its factorization.

904513780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45225698 (or 45225696 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 904513780 is about 30075.1355774168. The cubic root of 904513780 is about 967.1007702797.

The spelling of 904513780 in words is "nine hundred four million, five hundred thirteen thousand, seven hundred eighty".