231998976 has 240 divisors, whose sum is σ = 766022400. Its totient is φ = 66908160.

The previous prime is 231998969. The next prime is 231998989. The reversal of 231998976 is 679899132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165725 + ... + 1165923.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 2^231998976 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 231998976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383011200).

231998976 is an abundant number, since it is smaller than the sum of its proper divisors (534023424).

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

231998976 is a wasteful number, since it uses less digits than its factorization.

231998976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 238 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 231998976 is about 15231.5125972439. The cubic root of 231998976 is about 614.4624610978.

The spelling of 231998976 in words is "two hundred thirty-one million, nine hundred ninety-eight thousand, nine hundred seventy-six".