230427990 has 160 divisors (see below), whose sum is σ = 678142080. Its totient is φ = 55800576.

The previous prime is 230427983. The next prime is 230428001. The reversal of 230427990 is 99724032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 831732 + ... + 832008.

It is an arithmetic number, because the mean of its divisors is an integer number (4238388).

Almost surely, 2^230427990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230427990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339071040).

230427990 is an abundant number, since it is smaller than the sum of its proper divisors (447714090).

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

230427990 is a wasteful number, since it uses less digits than its factorization.

230427990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 230427990 is about 15179.8547423880. The cubic root of 230427990 is about 613.0723701423.

The spelling of 230427990 in words is "two hundred thirty million, four hundred twenty-seven thousand, nine hundred ninety".