804434368 has 28 divisors (see below), whose sum is σ = 1633428280. Its totient is φ = 392861952.

The previous prime is 804434357. The next prime is 804434381. The reversal of 804434368 is 863434408.

It is a happy number.

It is a super-2 number, since 2×804434368² = 1294229304839118848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 804434368.

It is a congruent number.

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, 143403 + ... + 148906.

Almost surely, 2^804434368 is an apocalyptic number.

It is an amenable number.

804434368 is an abundant number, since it is smaller than the sum of its proper divisors (828993912).

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

804434368 is a wasteful number, since it uses less digits than its factorization.

804434368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292364 (or 292354 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 804434368 is about 28362.5522123803. The cubic root of 804434368 is about 930.0298167494.

Adding to 804434368 its sum of digits (40), we get a palindrome (804434408).

The spelling of 804434368 in words is "eight hundred four million, four hundred thirty-four thousand, three hundred sixty-eight".