231197892 has 48 divisors (see below), whose sum is σ = 574584192. Its totient is φ = 72102400.

The previous prime is 231197843. The next prime is 231197899. The reversal of 231197892 is 298791132.

It is not an unprimeable number, because it can be changed into a prime (231197899) 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, 32017 + ... + 38567.

It is an arithmetic number, because the mean of its divisors is an integer number (11970504).

Almost surely, 2^231197892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231197892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287292096).

231197892 is an abundant number, since it is smaller than the sum of its proper divisors (343386300).

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

231197892 is a wasteful number, since it uses less digits than its factorization.

231197892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748 (or 6746 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 231197892 is about 15205.1929287333. The cubic root of 231197892 is about 613.7544066892.

The spelling of 231197892 in words is "two hundred thirty-one million, one hundred ninety-seven thousand, eight hundred ninety-two".