16426784 has 48 divisors (see below), whose sum is σ = 36832320. Its totient is φ = 7138560.

The previous prime is 16426783. The next prime is 16426799. The reversal of 16426784 is 48762461.

16426784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16426783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 9110.

It is an arithmetic number, because the mean of its divisors is an integer number (767340).

Almost surely, 2^16426784 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 16426784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18416160).

16426784 is an abundant number, since it is smaller than the sum of its proper divisors (20405536).

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

16426784 is a wasteful number, since it uses less digits than its factorization.

16426784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2065 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 16426784 is about 4052.9969158636. The cubic root of 16426784 is about 254.2050548246.

The spelling of 16426784 in words is "sixteen million, four hundred twenty-six thousand, seven hundred eighty-four".