17938068 has 48 divisors (see below), whose sum is σ = 44169216. Its totient is φ = 5654880.

The previous prime is 17938049. The next prime is 17938069. The reversal of 17938068 is 86083971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17938069) 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, 28113 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (920192).

Almost surely, 2^17938068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17938068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22084608).

17938068 is an abundant number, since it is smaller than the sum of its proper divisors (26231148).

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

17938068 is a wasteful number, since it uses less digits than its factorization.

17938068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

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

The square root of 17938068 is about 4235.3356419533. The cubic root of 17938068 is about 261.7732241216.

The spelling of 17938068 in words is "seventeen million, nine hundred thirty-eight thousand, sixty-eight".