197297244 has 36 divisors (see below), whose sum is σ = 510325816. Its totient is φ = 64235808.

The previous prime is 197297183. The next prime is 197297249. The reversal of 197297244 is 442792791.

It is a happy number.

197297244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 197297244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197297249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62179 + ... + 65274.

Almost surely, 2^197297244 is an apocalyptic number.

It is an amenable number.

197297244 is an abundant number, since it is smaller than the sum of its proper divisors (313028572).

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

197297244 is a wasteful number, since it uses less digits than its factorization.

197297244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127506 (or 127501 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 197297244 is about 14046.2537354271. The cubic root of 197297244 is about 582.1572891206.

The spelling of 197297244 in words is "one hundred ninety-seven million, two hundred ninety-seven thousand, two hundred forty-four".