16855842 has 8 divisors (see below), whose sum is σ = 33711696. Its totient is φ = 5618612.

The previous prime is 16855829. The next prime is 16855877. The reversal of 16855842 is 24855861.

It is a sphenic number, since it is the product of 3 distinct primes.

16855842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16855842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404648 + ... + 1404659.

It is an arithmetic number, because the mean of its divisors is an integer number (4213962).

Almost surely, 2^16855842 is an apocalyptic number.

16855842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16855842 is a wasteful number, since it uses less digits than its factorization.

16855842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809312.

The product of its digits is 76800, while the sum is 39.

The square root of 16855842 is about 4105.5866815840. The cubic root of 16855842 is about 256.3992894111.

The spelling of 16855842 in words is "sixteen million, eight hundred fifty-five thousand, eight hundred forty-two".