14988989 has 2 divisors, whose sum is σ = 14988990. Its totient is φ = 14988988.

The previous prime is 14988977. The next prime is 14989003. The reversal of 14988989 is 98988941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12040900 + 2948089 = 3470^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 14988989 - 2¹⁶ = 14923453 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14988089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7494494 + 7494495.

It is an arithmetic number, because the mean of its divisors is an integer number (7494495).

Almost surely, 2^14988989 is an apocalyptic number.

It is an amenable number.

14988989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14988989 is an equidigital number, since it uses as much as digits as its factorization.

14988989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 56.

The square root of 14988989 is about 3871.5615712526. The cubic root of 14988989 is about 246.5608471919.

The spelling of 14988989 in words is "fourteen million, nine hundred eighty-eight thousand, nine hundred eighty-nine".