230991366 has 8 divisors (see below), whose sum is σ = 461982744. Its totient is φ = 76997120.

The previous prime is 230991353. The next prime is 230991367. The reversal of 230991366 is 663199032.

It is a sphenic number, since it is the product of 3 distinct primes.

230991366 is an admirable number.

It is a super-2 number, since 2×230991366² = 106714022333091912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230991367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19249275 + ... + 19249286.

It is an arithmetic number, because the mean of its divisors is an integer number (57747843).

Almost surely, 2^230991366 is an apocalyptic number.

230991366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230991366 is a wasteful number, since it uses less digits than its factorization.

230991366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38498566.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 230991366 is about 15198.4001131698. The cubic root of 230991366 is about 613.5715993642.

The spelling of 230991366 in words is "two hundred thirty million, nine hundred ninety-one thousand, three hundred sixty-six".