230472621 has 32 divisors (see below), whose sum is σ = 366048000. Its totient is φ = 144586944.

The previous prime is 230472617. The next prime is 230472637. The reversal of 230472621 is 126274032.

230472621 is a `hidden beast` number, since 2 + 30 + 4 + 7 + 2 + 621 = 666.

It is not a de Polignac number, because 230472621 - 2² = 230472617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230472601) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 34080 + ... + 40278.

It is an arithmetic number, because the mean of its divisors is an integer number (11439000).

Almost surely, 2^230472621 is an apocalyptic number.

It is an amenable number.

230472621 is a deficient number, since it is larger than the sum of its proper divisors (135575379).

230472621 is an frugal number, since it uses more digits than its factorization.

230472621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 230472621 is about 15181.3247445669. The cubic root of 230472621 is about 613.1119490531. Note that the first 3 decimals are identical.

The spelling of 230472621 in words is "two hundred thirty million, four hundred seventy-two thousand, six hundred twenty-one".