230404661 has 8 divisors (see below), whose sum is σ = 237404544. Its totient is φ = 223445520.

The previous prime is 230404651. The next prime is 230404663. The reversal of 230404661 is 166404032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230404661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230404661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230404663) 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 7 ways as a sum of consecutive naturals, for example, 1496 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (29675568).

Almost surely, 2^230404661 is an apocalyptic number.

It is an amenable number.

230404661 is a deficient number, since it is larger than the sum of its proper divisors (6999883).

230404661 is a wasteful number, since it uses less digits than its factorization.

230404661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20371.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 230404661 is about 15179.0863032002. The cubic root of 230404661 is about 613.0516798780.

Adding to 230404661 its reverse (166404032), we get a palindrome (396808693).

The spelling of 230404661 in words is "two hundred thirty million, four hundred four thousand, six hundred sixty-one".