804290 has 8 divisors (see below), whose sum is σ = 1447740. Its totient is φ = 321712.

The previous prime is 804283. The next prime is 804313. The reversal of 804290 is 92408.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 80089 = 851^2 + 283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 40205 + ... + 40224.

2⁸⁰⁴²⁹⁰ is an apocalyptic number.

804290 is a deficient number, since it is larger than the sum of its proper divisors (643450).

804290 is a wasteful number, since it uses less digits than its factorization.

804290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80436.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 804290 is about 896.8221674334. The cubic root of 804290 is about 92.9974177415.

Adding to 804290 its reverse (92408), we get a palindrome (896698).

The spelling of 804290 in words is "eight hundred four thousand, two hundred ninety".