230681892 has 96 divisors (see below), whose sum is σ = 640523520. Its totient is φ = 63221760.

The previous prime is 230681837. The next prime is 230681903. The reversal of 230681892 is 298186032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230681892.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684348 + ... + 684684.

It is an arithmetic number, because the mean of its divisors is an integer number (6672120).

Almost surely, 2^230681892 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 230681892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320261760).

230681892 is an abundant number, since it is smaller than the sum of its proper divisors (409841628).

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

230681892 is a wasteful number, since it uses less digits than its factorization.

230681892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 230681892 is about 15188.2155633899. The cubic root of 230681892 is about 613.2974631143.

The spelling of 230681892 in words is "two hundred thirty million, six hundred eighty-one thousand, eight hundred ninety-two".