804492 has 60 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 246240.

The previous prime is 804473. The next prime is 804493. The reversal of 804492 is 294408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (804493) by changing a digit.

804492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4117 + ... + 4307.

2⁸⁰⁴⁴⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138368).

804492 is an abundant number, since it is smaller than the sum of its proper divisors (1472244).

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

804492 is a wasteful number, since it uses less digits than its factorization.

804492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 804492 is about 896.9347802377. The cubic root of 804492 is about 93.0052026226.

It can be divided in two parts, 804 and 492, that added together give a 4-th power (1296 = 6⁴).

The spelling of 804492 in words is "eight hundred four thousand, four hundred ninety-two".