324990989 has 16 divisors (see below), whose sum is σ = 361749888. Its totient is φ = 290391552.

The previous prime is 324990983. The next prime is 324990997. The reversal of 324990989 is 989099423.

It is a de Polignac number, because none of the positive numbers 2^k-324990989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 324990989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324990983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50534 + ... + 56600.

It is an arithmetic number, because the mean of its divisors is an integer number (22609368).

Almost surely, 2^324990989 is an apocalyptic number.

It is an amenable number.

324990989 is a deficient number, since it is larger than the sum of its proper divisors (36758899).

324990989 is a wasteful number, since it uses less digits than its factorization.

324990989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 324990989 is about 18027.5064554142. The cubic root of 324990989 is about 687.5280792499.

The spelling of 324990989 in words is "three hundred twenty-four million, nine hundred ninety thousand, nine hundred eighty-nine".