16423284 has 24 divisors (see below), whose sum is σ = 38390688. Its totient is φ = 5464480.

The previous prime is 16423283. The next prime is 16423289. The reversal of 16423284 is 48232461.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423283) 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, 9019 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (1599612).

Almost surely, 2^16423284 is an apocalyptic number.

It is an amenable number.

16423284 is an abundant number, since it is smaller than the sum of its proper divisors (21967404).

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

16423284 is a wasteful number, since it uses less digits than its factorization.

16423284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2493 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 16423284 is about 4052.5651136040. The cubic root of 16423284 is about 254.1869993349.

The spelling of 16423284 in words is "sixteen million, four hundred twenty-three thousand, two hundred eighty-four".