804890998 has 8 divisors (see below), whose sum is σ = 1248968880. Its totient is φ = 388568040.

The previous prime is 804890953. The next prime is 804891001. The reversal of 804890998 is 899098408.

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

It is a super-2 number, since 2×804890998² = 1295699037322872008, which contains 22 as substring.

It is a congruent number.

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, 6938658 + ... + 6938773.

It is an arithmetic number, because the mean of its divisors is an integer number (156121110).

Almost surely, 2^804890998 is an apocalyptic number.

804890998 is a deficient number, since it is larger than the sum of its proper divisors (444077882).

804890998 is a wasteful number, since it uses less digits than its factorization.

804890998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877462.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 804890998 is about 28370.6009453448. The cubic root of 804890998 is about 930.2057578422.

The spelling of 804890998 in words is "eight hundred four million, eight hundred ninety thousand, nine hundred ninety-eight".