15396489 has 12 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 10247064.

The previous prime is 15396487. The next prime is 15396529. The reversal of 15396489 is 98469351.

It is a happy number.

It is not a de Polignac number, because 15396489 - 2¹ = 15396487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15396487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6532 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^15396489 is an apocalyptic number.

It is an amenable number.

15396489 is a deficient number, since it is larger than the sum of its proper divisors (6880311).

15396489 is a wasteful number, since it uses less digits than its factorization.

15396489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884 (or 2881 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 15396489 is about 3923.8360057474. The cubic root of 15396489 is about 248.7752847542.

The spelling of 15396489 in words is "fifteen million, three hundred ninety-six thousand, four hundred eighty-nine".