804398613 has 8 divisors (see below), whose sum is σ = 1078524000. Its totient is φ = 533269488.

The previous prime is 804398603. The next prime is 804398629. The reversal of 804398613 is 316893408.

It is a happy number.

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

It is not a de Polignac number, because 804398613 - 2⁴ = 804398597 is a prime.

It is a super-5 number, since 5×804398613⁵ (a number of 46 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804398603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748438 + ... + 749511.

It is an arithmetic number, because the mean of its divisors is an integer number (134815500).

Almost surely, 2^804398613 is an apocalyptic number.

It is an amenable number.

804398613 is a deficient number, since it is larger than the sum of its proper divisors (274125387).

804398613 is a wasteful number, since it uses less digits than its factorization.

804398613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498131.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 804398613 is about 28361.9218848089. The cubic root of 804398613 is about 930.0160374157.

The spelling of 804398613 in words is "eight hundred four million, three hundred ninety-eight thousand, six hundred thirteen".