197469231 has 16 divisors (see below), whose sum is σ = 271524864. Its totient is φ = 127584864.

The previous prime is 197469227. The next prime is 197469257. The reversal of 197469231 is 132964791.

197469231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197469231 - 2² = 197469227 is a prime.

It is a super-2 number, since 2×197469231² = 77988194383462722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197469211) 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, 7725 + ... + 21321.

It is an arithmetic number, because the mean of its divisors is an integer number (16970304).

Almost surely, 2^197469231 is an apocalyptic number.

197469231 is a deficient number, since it is larger than the sum of its proper divisors (74055633).

197469231 is a wasteful number, since it uses less digits than its factorization.

197469231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750.

The product of its digits is 81648, while the sum is 42.

The square root of 197469231 is about 14052.3745680223. The cubic root of 197469231 is about 582.3263984379.

The spelling of 197469231 in words is "one hundred ninety-seven million, four hundred sixty-nine thousand, two hundred thirty-one".