15479880 has 64 divisors (see below), whose sum is σ = 50016960. Its totient is φ = 3810048.

The previous prime is 15479879. The next prime is 15479887. The reversal of 15479880 is 8897451.

It is not an unprimeable number, because it can be changed into a prime (15479887) 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, 3402 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (781515).

Almost surely, 2^15479880 is an apocalyptic number.

15479880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15479880 is an abundant number, since it is smaller than the sum of its proper divisors (34537080).

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

15479880 is a wasteful number, since it uses less digits than its factorization.

15479880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950 (or 9946 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 15479880 is about 3934.4478646946. The cubic root of 15479880 is about 249.2236180871.

The spelling of 15479880 in words is "fifteen million, four hundred seventy-nine thousand, eight hundred eighty".