15279648 has 48 divisors (see below), whose sum is σ = 42225120. Its totient is φ = 4824576.

The previous prime is 15279637. The next prime is 15279661. The reversal of 15279648 is 84697251.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (879690).

Almost surely, 2^15279648 is an apocalyptic number.

It is an amenable number.

15279648 is an abundant number, since it is smaller than the sum of its proper divisors (26945472).

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

15279648 is a wasteful number, since it uses less digits than its factorization.

15279648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8401 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 15279648 is about 3908.9190321622. The cubic root of 15279648 is about 248.1443834933.

It can be divided in two parts, 1527 and 9648, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 15279648 in words is "fifteen million, two hundred seventy-nine thousand, six hundred forty-eight".