15468489 has 45 divisors (see below), whose sum is σ = 25493853. Its totient is φ = 9344808.

The previous prime is 15468463. The next prime is 15468529. The reversal of 15468489 is 98486451.

The square root of 15468489 is 3933.

It is a perfect power (a square), and thus also a powerful number.

15468489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15468489 - 2⁷ = 15468361 is a prime.

Its product of digits (276480) is a multiple of the sum of its prime divisors (45).

It is not an unprimeable number, because it can be changed into a prime (15468689) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 672532 + ... + 672554.

Almost surely, 2^15468489 is an apocalyptic number.

15468489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

15468489 is the 3933-rd square number.

15468489 is the 1967-th centered octagonal number.

It is an amenable number.

15468489 is a deficient number, since it is larger than the sum of its proper divisors (10025364).

15468489 is an equidigital number, since it uses as much as digits as its factorization.

15468489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 45 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The cubic root of 15468489 is about 249.1624719872.

The spelling of 15468489 in words is "fifteen million, four hundred sixty-eight thousand, four hundred eighty-nine".