17937942 has 16 divisors (see below), whose sum is σ = 39137472. Its totient is φ = 5435720.

The previous prime is 17937929. The next prime is 17937967. The reversal of 17937942 is 24973971.

It is a junction number, because it is equal to n+sod(n) for n = 17937894 and 17937903.

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, 135828 + ... + 135959.

It is an arithmetic number, because the mean of its divisors is an integer number (2446092).

Almost surely, 2^17937942 is an apocalyptic number.

17937942 is an abundant number, since it is smaller than the sum of its proper divisors (21199530).

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

17937942 is a wasteful number, since it uses less digits than its factorization.

17937942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271803.

The product of its digits is 95256, while the sum is 42.

The square root of 17937942 is about 4235.3207670730. The cubic root of 17937942 is about 261.7726112071.

The spelling of 17937942 in words is "seventeen million, nine hundred thirty-seven thousand, nine hundred forty-two".