15897882 has 64 divisors (see below), whose sum is σ = 42706944. Its totient is φ = 3810240.

The previous prime is 15897877. The next prime is 15897883. The reversal of 15897882 is 28879851.

15897882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15897883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4683 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (667296).

Almost surely, 2^15897882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15897882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21353472).

15897882 is an abundant number, since it is smaller than the sum of its proper divisors (26809062).

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

15897882 is a wasteful number, since it uses less digits than its factorization.

15897882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 322560, while the sum is 48.

The square root of 15897882 is about 3987.2148173882. The cubic root of 15897882 is about 251.4469795099.

The spelling of 15897882 in words is "fifteen million, eight hundred ninety-seven thousand, eight hundred eighty-two".