232289992 has 48 divisors (see below), whose sum is σ = 480882780. Its totient is φ = 105114240.

The previous prime is 232289987. The next prime is 232290059. The reversal of 232289992 is 299982232.

It can be written as a sum of positive squares in 2 ways, for example, as 221831236 + 10458756 = 14894^2 + 3234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306478 + ... + 307234.

Almost surely, 2^232289992 is an apocalyptic number.

232289992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232289992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240441390).

232289992 is an abundant number, since it is smaller than the sum of its proper divisors (248592788).

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

232289992 is a wasteful number, since it uses less digits than its factorization.

232289992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1087 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 232289992 is about 15241.0626926078. The cubic root of 232289992 is about 614.7192778787.

The spelling of 232289992 in words is "two hundred thirty-two million, two hundred eighty-nine thousand, nine hundred ninety-two".