16873236 has 36 divisors (see below), whose sum is σ = 43173312. Its totient is φ = 5555664.

The previous prime is 16873229. The next prime is 16873267. The reversal of 16873236 is 63237861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×16873236² = 569412186223392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16873236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165 + ... + 5811.

Almost surely, 2^16873236 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 16873236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21586656).

16873236 is an abundant number, since it is smaller than the sum of its proper divisors (26300076).

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

16873236 is a wasteful number, since it uses less digits than its factorization.

16873236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740 (or 5735 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 16873236 is about 4107.7044684349. The cubic root of 16873236 is about 256.4874542158.

The spelling of 16873236 in words is "sixteen million, eight hundred seventy-three thousand, two hundred thirty-six".