15049216 has 160 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 5308416.

The previous prime is 15049213. The next prime is 15049217. The reversal of 15049216 is 61294051.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15049211) 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, 792055 + ... + 792073.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^15049216 is an apocalyptic number.

15049216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15049216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680).

15049216 is an abundant number, since it is smaller than the sum of its proper divisors (26198144).

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

15049216 is a wasteful number, since it uses less digits than its factorization.

15049216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 15049216 is about 3879.3319012428. The cubic root of 15049216 is about 246.8906398466.

The spelling of 15049216 in words is "fifteen million, forty-nine thousand, two hundred sixteen".