17942982 has 8 divisors (see below), whose sum is σ = 35885976. Its totient is φ = 5980992.

The previous prime is 17942971. The next prime is 17942983. The reversal of 17942982 is 28924971.

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

17942982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17942983) 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 3 ways as a sum of consecutive naturals, for example, 1495243 + ... + 1495254.

It is an arithmetic number, because the mean of its divisors is an integer number (4485747).

Almost surely, 2^17942982 is an apocalyptic number.

17942982 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.

17942982 is a wasteful number, since it uses less digits than its factorization.

17942982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990502.

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

The square root of 17942982 is about 4235.9157215412. The cubic root of 17942982 is about 261.7971255469.

The spelling of 17942982 in words is "seventeen million, nine hundred forty-two thousand, nine hundred eighty-two".