17982942 has 8 divisors (see below), whose sum is σ = 35965896. Its totient is φ = 5994312.

The previous prime is 17982931. The next prime is 17982961. The reversal of 17982942 is 24928971.

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

17982942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 17982894 and 17982903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498573 + ... + 1498584.

It is an arithmetic number, because the mean of its divisors is an integer number (4495737).

Almost surely, 2^17982942 is an apocalyptic number.

17982942 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.

17982942 is a wasteful number, since it uses less digits than its factorization.

17982942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997162.

The product of its digits is 72576, while the sum is 42.

The square root of 17982942 is about 4240.6299060399. The cubic root of 17982942 is about 261.9913269471.

The spelling of 17982942 in words is "seventeen million, nine hundred eighty-two thousand, nine hundred forty-two".