230481644 has 6 divisors (see below), whose sum is σ = 403342884. Its totient is φ = 115240820.

The previous prime is 230481611. The next prime is 230481679. The reversal of 230481644 is 446184032.

It is a self number, because there is not a number n which added to its sum of digits gives 230481644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28810202 + ... + 28810209.

It is an arithmetic number, because the mean of its divisors is an integer number (67223814).

Almost surely, 2^230481644 is an apocalyptic number.

It is an amenable number.

230481644 is a deficient number, since it is larger than the sum of its proper divisors (172861240).

230481644 is a wasteful number, since it uses less digits than its factorization.

230481644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57620415 (or 57620413 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 230481644 is about 15181.6219159878. The cubic root of 230481644 is about 613.1199500568.

The spelling of 230481644 in words is "two hundred thirty million, four hundred eighty-one thousand, six hundred forty-four".