15342816 has 48 divisors (see below), whose sum is σ = 40860288. Its totient is φ = 5040000.

The previous prime is 15342797. The next prime is 15342829. The reversal of 15342816 is 61824351.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (851256).

Almost surely, 2^15342816 is an apocalyptic number.

15342816 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 15342816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20430144).

15342816 is an abundant number, since it is smaller than the sum of its proper divisors (25517472).

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

15342816 is a wasteful number, since it uses less digits than its factorization.

15342816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2327 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 15342816 is about 3916.9906816330. The cubic root of 15342816 is about 248.4858667827.

The spelling of 15342816 in words is "fifteen million, three hundred forty-two thousand, eight hundred sixteen".