16324589 has 6 divisors (see below), whose sum is σ = 16483950. Its totient is φ = 16166040.

The previous prime is 16324541. The next prime is 16324597. The reversal of 16324589 is 98542361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 5368489 = 3310^2 + 2317^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16324589 is a prime.

It is a Duffinian number.

Its product of digits (51840) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16327589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49154 + ... + 49484.

It is an arithmetic number, because the mean of its divisors is an integer number (2747325).

Almost surely, 2^16324589 is an apocalyptic number.

It is an amenable number.

16324589 is a deficient number, since it is larger than the sum of its proper divisors (159361).

16324589 is an frugal number, since it uses more digits than its factorization.

16324589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 480 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 16324589 is about 4040.3699088079. The cubic root of 16324589 is about 253.6768007779.

The spelling of 16324589 in words is "sixteen million, three hundred twenty-four thousand, five hundred eighty-nine".