17983942 has 16 divisors (see below), whose sum is σ = 27542592. Its totient is φ = 8805160.

The previous prime is 17983913. The next prime is 17983981. The reversal of 17983942 is 24938971.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21333 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (1721412).

Almost surely, 2^17983942 is an apocalyptic number.

17983942 is a deficient number, since it is larger than the sum of its proper divisors (9558650).

17983942 is a wasteful number, since it uses less digits than its factorization.

17983942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its digits is 108864, while the sum is 43.

The square root of 17983942 is about 4240.7478114125. The cubic root of 17983942 is about 261.9961831505.

The spelling of 17983942 in words is "seventeen million, nine hundred eighty-three thousand, nine hundred forty-two".