197942280 has 64 divisors (see below), whose sum is σ = 605050560. Its totient is φ = 51787008.

The previous prime is 197942273. The next prime is 197942281. The reversal of 197942280 is 82249791.

It is a super-2 number, since 2×197942280² = 78362292423196800, which contains 22 as substring.

It is a cake number, because a cake can be divided into 197942280 parts by 1059 planar cuts.

It is not an unprimeable number, because it can be changed into a prime (197942281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9202 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (9453915).

Almost surely, 2^197942280 is an apocalyptic number.

197942280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197942280 is an abundant number, since it is smaller than the sum of its proper divisors (407108280).

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

197942280 is a wasteful number, since it uses less digits than its factorization.

197942280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31190 (or 31186 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 197942280 is about 14069.1961390834. The cubic root of 197942280 is about 582.7910265120.

The spelling of 197942280 in words is "one hundred ninety-seven million, nine hundred forty-two thousand, two hundred eighty".