16873983 has 36 divisors (see below), whose sum is σ = 28756728. Its totient is φ = 9505440.

The previous prime is 16873949. The next prime is 16873991. The reversal of 16873983 is 38937861.

It is a happy number.

It is not a de Polignac number, because 16873983 - 2⁹ = 16873471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16873903) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36373 + ... + 36833.

It is an arithmetic number, because the mean of its divisors is an integer number (798798).

Almost surely, 2^16873983 is an apocalyptic number.

16873983 is a deficient number, since it is larger than the sum of its proper divisors (11882745).

16873983 is a wasteful number, since it uses less digits than its factorization.

16873983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 554 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16873983 is about 4107.7953941257. The cubic root of 16873983 is about 256.4912391705.

It can be divided in two parts, 1687398 and 3, that added together give a square (1687401 = 1299²).

The spelling of 16873983 in words is "sixteen million, eight hundred seventy-three thousand, nine hundred eighty-three".