810304398 has 96 divisors (see below), whose sum is σ = 1928489472. Its totient is φ = 254469600.

The previous prime is 810304373. The next prime is 810304409. The reversal of 810304398 is 893403018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 793128 + ... + 794148.

It is an arithmetic number, because the mean of its divisors is an integer number (20088432).

Almost surely, 2^810304398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810304398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964244736).

810304398 is an abundant number, since it is smaller than the sum of its proper divisors (1118185074).

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

810304398 is a wasteful number, since it uses less digits than its factorization.

810304398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 810304398 is about 28465.8461669419. The cubic root of 810304398 is about 932.2865069594.

The spelling of 810304398 in words is "eight hundred ten million, three hundred four thousand, three hundred ninety-eight".