813534898 has 32 divisors (see below), whose sum is σ = 1429446528. Its totient is φ = 343123200.

The previous prime is 813534871. The next prime is 813534919. The reversal of 813534898 is 898435318.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11236 + ... + 41872.

It is an arithmetic number, because the mean of its divisors is an integer number (44670204).

Almost surely, 2^813534898 is an apocalyptic number.

813534898 is a deficient number, since it is larger than the sum of its proper divisors (615911630).

813534898 is a wasteful number, since it uses less digits than its factorization.

813534898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30738.

The product of its digits is 829440, while the sum is 49.

The square root of 813534898 is about 28522.5331623964. The cubic root of 813534898 is about 933.5238024824.

The spelling of 813534898 in words is "eight hundred thirteen million, five hundred thirty-four thousand, eight hundred ninety-eight".