16943982 has 32 divisors (see below), whose sum is σ = 37238400. Its totient is φ = 5097120.

The previous prime is 16943981. The next prime is 16943989. The reversal of 16943982 is 28934961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16943981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8973 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (1163700).

Almost surely, 2^16943982 is an apocalyptic number.

16943982 is an abundant number, since it is smaller than the sum of its proper divisors (20294418).

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

16943982 is a wasteful number, since it uses less digits than its factorization.

16943982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

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

The square root of 16943982 is about 4116.3068398748. The cubic root of 16943982 is about 256.8454207272.

The spelling of 16943982 in words is "sixteen million, nine hundred forty-three thousand, nine hundred eighty-two".