197294972 has 30 divisors (see below), whose sum is σ = 402806208. Its totient is φ = 84550872.

The previous prime is 197294971. The next prime is 197294987. The reversal of 197294972 is 279492791.

It is a self number, because there is not a number n which added to its sum of digits gives 197294972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197294971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 668 + ... + 19875.

Almost surely, 2^197294972 is an apocalyptic number.

It is an amenable number.

197294972 is an abundant number, since it is smaller than the sum of its proper divisors (205511236).

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

197294972 is an equidigital number, since it uses as much as digits as its factorization.

197294972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20575 (or 20552 counting only the distinct ones).

The product of its digits is 571536, while the sum is 50.

The square root of 197294972 is about 14046.1728595372. The cubic root of 197294972 is about 582.1550544781.

The spelling of 197294972 in words is "one hundred ninety-seven million, two hundred ninety-four thousand, nine hundred seventy-two".