230449391 has 4 divisors (see below), whose sum is σ = 233038800. Its totient is φ = 227859984.

The previous prime is 230449301. The next prime is 230449409. The reversal of 230449391 is 193944032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230449391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230449301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294571 + ... + 1294748.

It is an arithmetic number, because the mean of its divisors is an integer number (58259700).

Almost surely, 2^230449391 is an apocalyptic number.

230449391 is a deficient number, since it is larger than the sum of its proper divisors (2589409).

230449391 is an equidigital number, since it uses as much as digits as its factorization.

230449391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589408.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 230449391 is about 15180.5596405403. The cubic root of 230449391 is about 613.0913492539.

The spelling of 230449391 in words is "two hundred thirty million, four hundred forty-nine thousand, three hundred ninety-one".