15798216 has 64 divisors (see below), whose sum is σ = 45434880. Its totient is φ = 4484160.

The previous prime is 15798199. The next prime is 15798221. The reversal of 15798216 is 61289751.

15798216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (30240) is a multiple of the sum of its prime divisors (630).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45355 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (709920).

Almost surely, 2^15798216 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 15798216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22717440).

15798216 is an abundant number, since it is smaller than the sum of its proper divisors (29636664).

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

15798216 is a wasteful number, since it uses less digits than its factorization.

15798216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 630 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 15798216 is about 3974.6969695815. The cubic root of 15798216 is about 250.9204257735.

The spelling of 15798216 in words is "fifteen million, seven hundred ninety-eight thousand, two hundred sixteen".