197430880 has 48 divisors (see below), whose sum is σ = 467271504. Its totient is φ = 78830080.

The previous prime is 197430859. The next prime is 197430889. The reversal of 197430880 is 88034791.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197430889) 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, 169179 + ... + 170341.

It is an arithmetic number, because the mean of its divisors is an integer number (9734823).

Almost surely, 2^197430880 is an apocalyptic number.

197430880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197430880 is an abundant number, since it is smaller than the sum of its proper divisors (269840624).

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

197430880 is a wasteful number, since it uses less digits than its factorization.

197430880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 197430880 is about 14051.0099281155. The cubic root of 197430880 is about 582.2886976351.

The spelling of 197430880 in words is "one hundred ninety-seven million, four hundred thirty thousand, eight hundred eighty".