230004989 has 2 divisors, whose sum is σ = 230004990. Its totient is φ = 230004988.

The previous prime is 230004967. The next prime is 230005007. The reversal of 230004989 is 989400032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 100841764 = 11365^2 + 10042^2 .

It is a cyclic number.

It is not a de Polignac number, because 230004989 - 2¹² = 230000893 is a prime.

It is equal to p_12642839 and since 230004989 and 12642839 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230004959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115002494 + 115002495.

It is an arithmetic number, because the mean of its divisors is an integer number (115002495).

Almost surely, 2^230004989 is an apocalyptic number.

It is an amenable number.

230004989 is a deficient number, since it is larger than the sum of its proper divisors (1).

230004989 is an equidigital number, since it uses as much as digits as its factorization.

230004989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 230004989 is about 15165.9153696702. The cubic root of 230004989 is about 612.6969975245.

The spelling of 230004989 in words is "two hundred thirty million, four thousand, nine hundred eighty-nine".