798404 has 6 divisors (see below), whose sum is σ = 1397214. Its totient is φ = 399200.

The previous prime is 798403. The next prime is 798409. The reversal of 798404 is 404897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 158404 = 800^2 + 398^2 .

It is not an unprimeable number, because it can be changed into a prime (798403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99797 + ... + 99804.

It is an arithmetic number, because the mean of its divisors is an integer number (232869).

2⁷⁹⁸⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

798404 is a deficient number, since it is larger than the sum of its proper divisors (598810).

798404 is a wasteful number, since it uses less digits than its factorization.

798404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199605 (or 199603 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 798404 is about 893.5345544521. The cubic root of 798404 is about 92.7700024427.

The spelling of 798404 in words is "seven hundred ninety-eight thousand, four hundred four".