231797984 has 48 divisors (see below), whose sum is σ = 508467456. Its totient is φ = 103113600.

The previous prime is 231797971. The next prime is 231797999. The reversal of 231797984 is 489797132.

231797984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 9539 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (10593072).

Almost surely, 2^231797984 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 231797984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254233728).

231797984 is an abundant number, since it is smaller than the sum of its proper divisors (276669472).

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

231797984 is a wasteful number, since it uses less digits than its factorization.

231797984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14079 (or 14071 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 231797984 is about 15224.9132674048. The cubic root of 231797984 is about 614.2849635882.

The spelling of 231797984 in words is "two hundred thirty-one million, seven hundred ninety-seven thousand, nine hundred eighty-four".