16242784 has 48 divisors (see below), whose sum is σ = 34564320. Its totient is φ = 7490560.

The previous prime is 16242781. The next prime is 16242799. The reversal of 16242784 is 48724261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16242781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20964 + ... + 21724.

It is an arithmetic number, because the mean of its divisors is an integer number (720090).

Almost surely, 2^16242784 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 16242784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17282160).

16242784 is an abundant number, since it is smaller than the sum of its proper divisors (18321536).

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

16242784 is a wasteful number, since it uses less digits than its factorization.

16242784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 815 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 16242784 is about 4030.2337401198. The cubic root of 16242784 is about 253.2523533104.

The spelling of 16242784 in words is "sixteen million, two hundred forty-two thousand, seven hundred eighty-four".