804742288 has 30 divisors (see below), whose sum is σ = 1813751286. Its totient is φ = 344889216.

The previous prime is 804742273. The next prime is 804742297. The reversal of 804742288 is 882247408.

It can be written as a sum of positive squares in only one way, i.e., 601622784 + 203119504 = 24528^2 + 14252^2 .

It is a super-2 number, since 2×804742288² = 1295220300190949888, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 512445 + ... + 514012.

Almost surely, 2^804742288 is an apocalyptic number.

It is an amenable number.

804742288 is an abundant number, since it is smaller than the sum of its proper divisors (1009008998).

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

804742288 is a wasteful number, since it uses less digits than its factorization.

804742288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026479 (or 1026466 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 804742288 is about 28367.9799774323. The cubic root of 804742288 is about 930.1484666815.

The spelling of 804742288 in words is "eight hundred four million, seven hundred forty-two thousand, two hundred eighty-eight".