16289394 has 16 divisors (see below), whose sum is σ = 35540640. Its totient is φ = 4936160.

The previous prime is 16289363. The next prime is 16289407. The reversal of 16289394 is 49398261.

It is an unprimeable number.

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, 123339 + ... + 123470.

It is an arithmetic number, because the mean of its divisors is an integer number (2221290).

Almost surely, 2^16289394 is an apocalyptic number.

16289394 is an abundant number, since it is smaller than the sum of its proper divisors (19251246).

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

16289394 is a wasteful number, since it uses less digits than its factorization.

16289394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246825.

The product of its digits is 93312, while the sum is 42.

The square root of 16289394 is about 4036.0121407151. The cubic root of 16289394 is about 253.4943647624.

The spelling of 16289394 in words is "sixteen million, two hundred eighty-nine thousand, three hundred ninety-four".