16845942 has 8 divisors (see below), whose sum is σ = 33691896. Its totient is φ = 5615312.

The previous prime is 16845919. The next prime is 16845949. The reversal of 16845942 is 24954861.

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

16845942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16845942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16845949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403823 + ... + 1403834.

It is an arithmetic number, because the mean of its divisors is an integer number (4211487).

Almost surely, 2^16845942 is an apocalyptic number.

16845942 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.

16845942 is a wasteful number, since it uses less digits than its factorization.

16845942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807662.

The product of its digits is 69120, while the sum is 39.

The square root of 16845942 is about 4104.3808302837. The cubic root of 16845942 is about 256.3490822865.

It can be divided in two parts, 1684 and 5942, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 16845942 in words is "sixteen million, eight hundred forty-five thousand, nine hundred forty-two".