804580090 has 8 divisors (see below), whose sum is σ = 1448244180. Its totient is φ = 321832032.

The previous prime is 804580087. The next prime is 804580129. The reversal of 804580090 is 90085408.

It can be written as a sum of positive squares in 2 ways, for example, as 722695689 + 81884401 = 26883^2 + 9049^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40228995 + ... + 40229014.

Almost surely, 2^804580090 is an apocalyptic number.

804580090 is a deficient number, since it is larger than the sum of its proper divisors (643664090).

804580090 is a wasteful number, since it uses less digits than its factorization.

804580090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80458016.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 804580090 is about 28365.1210115522. The cubic root of 804580090 is about 930.0859711637.

The spelling of 804580090 in words is "eight hundred four million, five hundred eighty thousand, ninety".