804774100 has 36 divisors (see below), whose sum is σ = 1880698204. Its totient is φ = 297146880.

The previous prime is 804774097. The next prime is 804774121. The reversal of 804774100 is 1477408.

It can be written as a sum of positive squares in 6 ways, for example, as 84603204 + 720170896 = 9198^2 + 26836^2 .

It is a super-2 number, since 2×804774100² = 1295322704061620000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308229 + ... + 310828.

Almost surely, 2^804774100 is an apocalyptic number.

It is an amenable number.

804774100 is an abundant number, since it is smaller than the sum of its proper divisors (1075924104).

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

804774100 is a wasteful number, since it uses less digits than its factorization.

804774100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619084 (or 619077 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 804774100 is about 28368.5406744866. The cubic root of 804774100 is about 930.1607229834.

The spelling of 804774100 in words is "eight hundred four million, seven hundred seventy-four thousand, one hundred".