15278848 has 36 divisors (see below), whose sum is σ = 32851168. Its totient is φ = 7050240.

The previous prime is 15278833. The next prime is 15278849. The reversal of 15278848 is 84887251.

It is not an unprimeable number, because it can be changed into a prime (15278849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 5623.

Almost surely, 2^15278848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15278848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16425584).

15278848 is an abundant number, since it is smaller than the sum of its proper divisors (17572320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15278848 is an equidigital number, since it uses as much as digits as its factorization.

15278848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4606 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 15278848 is about 3908.8167007421. The cubic root of 15278848 is about 248.1400527005.

The spelling of 15278848 in words is "fifteen million, two hundred seventy-eight thousand, eight hundred forty-eight".