197955472 has 80 divisors (see below), whose sum is σ = 453720960. Its totient is φ = 82483200.

The previous prime is 197955419. The next prime is 197955481. The reversal of 197955472 is 274559791.

It is a happy number.

197955472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551229 + ... + 551587.

It is an arithmetic number, because the mean of its divisors is an integer number (5671512).

Almost surely, 2^197955472 is an apocalyptic number.

197955472 is the 11488-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197955472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226860480).

197955472 is an abundant number, since it is smaller than the sum of its proper divisors (255765488).

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

197955472 is a wasteful number, since it uses less digits than its factorization.

197955472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its digits is 793800, while the sum is 49.

The square root of 197955472 is about 14069.6649569206. The cubic root of 197955472 is about 582.8039730613.

The spelling of 197955472 in words is "one hundred ninety-seven million, nine hundred fifty-five thousand, four hundred seventy-two".