804084400 has 60 divisors (see below), whose sum is σ = 2207793712. Its totient is φ = 275685120.

The previous prime is 804084397. The next prime is 804084401. The reversal of 804084400 is 4480408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (804084401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140787 + ... + 146386.

Almost surely, 2^804084400 is an apocalyptic number.

804084400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804084400 is an abundant number, since it is smaller than the sum of its proper divisors (1403709312).

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

804084400 is a wasteful number, since it uses less digits than its factorization.

804084400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287198 (or 287187 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 804084400 is about 28356.3819977091. The cubic root of 804084400 is about 929.8949278140.

The spelling of 804084400 in words is "eight hundred four million, eighty-four thousand, four hundred".