230440992 has 96 divisors (see below), whose sum is σ = 625895424. Its totient is φ = 74188800.

The previous prime is 230440963. The next prime is 230440993. The reversal of 230440992 is 299044032.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (230440993) 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, 499642 + ... + 500102.

It is an arithmetic number, because the mean of its divisors is an integer number (6519744).

Almost surely, 2^230440992 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 230440992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312947712).

230440992 is an abundant number, since it is smaller than the sum of its proper divisors (395454432).

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

230440992 is a wasteful number, since it uses less digits than its factorization.

230440992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 230440992 is about 15180.2830013146. The cubic root of 230440992 is about 613.0839008842.

The spelling of 230440992 in words is "two hundred thirty million, four hundred forty thousand, nine hundred ninety-two".