197498856 has 32 divisors (see below), whose sum is σ = 494503200. Its totient is φ = 65732160.

The previous prime is 197498839. The next prime is 197498857. The reversal of 197498856 is 658894791.

It is a junction number, because it is equal to n+sod(n) for n = 197498796 and 197498805.

It is not an unprimeable number, because it can be changed into a prime (197498857) 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, 10630 + ... + 22538.

It is an arithmetic number, because the mean of its divisors is an integer number (15453225).

Almost surely, 2^197498856 is an apocalyptic number.

It is an amenable number.

197498856 is an abundant number, since it is smaller than the sum of its proper divisors (297004344).

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

197498856 is a wasteful number, since it uses less digits than its factorization.

197498856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609 (or 12605 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 197498856 is about 14053.4286208028. The cubic root of 197498856 is about 582.3555178385.

The spelling of 197498856 in words is "one hundred ninety-seven million, four hundred ninety-eight thousand, eight hundred fifty-six".