197387432 has 32 divisors (see below), whose sum is σ = 404572320. Its totient is φ = 89538240.

The previous prime is 197387429. The next prime is 197387453. The reversal of 197387432 is 234783791.

197387432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47003 + ... + 51029.

It is an arithmetic number, because the mean of its divisors is an integer number (12642885).

Almost surely, 2^197387432 is an apocalyptic number.

It is an amenable number.

197387432 is an abundant number, since it is smaller than the sum of its proper divisors (207184888).

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

197387432 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (197387431) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (4601).

197387432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601 (or 4597 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 197387432 is about 14049.4637620089. The cubic root of 197387432 is about 582.2459803469.

The spelling of 197387432 in words is "one hundred ninety-seven million, three hundred eighty-seven thousand, four hundred thirty-two".