197560000 has 140 divisors (see below), whose sum is σ = 535609800. Its totient is φ = 71680000.

The previous prime is 197559959. The next prime is 197560007. The reversal of 197560000 is 65791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (197560007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439776 + ... + 440224.

Almost surely, 2^197560000 is an apocalyptic number.

197560000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267804900).

197560000 is an abundant number, since it is smaller than the sum of its proper divisors (338049800).

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

197560000 is an equidigital number, since it uses as much as digits as its factorization.

197560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 197560000 is about 14055.6038646513. The cubic root of 197560000 is about 582.4156091095.

The spelling of 197560000 in words is "one hundred ninety-seven million, five hundred sixty thousand".