15489441 has 16 divisors (see below), whose sum is σ = 25033920. Its totient is φ = 9387360.

The previous prime is 15489433. The next prime is 15489443. The reversal of 15489441 is 14498451.

15489441 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 15489441 - 2³ = 15489433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15489396 and 15489405.

It is not an unprimeable number, because it can be changed into a prime (15489443) 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, 25780 + ... + 26373.

It is an arithmetic number, because the mean of its divisors is an integer number (1564620).

Almost surely, 2^15489441 is an apocalyptic number.

15489441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15489441 is a deficient number, since it is larger than the sum of its proper divisors (9544479).

15489441 is a wasteful number, since it uses less digits than its factorization.

15489441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52173 (or 52167 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 15489441 is about 3935.6627142071. The cubic root of 15489441 is about 249.2749177225.

The spelling of 15489441 in words is "fifteen million, four hundred eighty-nine thousand, four hundred forty-one".