168938 has 16 divisors (see below), whose sum is σ = 316224. Its totient is φ = 65760.

The previous prime is 168937. The next prime is 168943. The reversal of 168938 is 839861.

It is a junction number, because it is equal to n+sod(n) for n = 168898 and 168907.

It is not an unprimeable number, because it can be changed into a prime (168937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (19764).

2¹⁶⁸⁹³⁸ is an apocalyptic number.

168938 is a deficient number, since it is larger than the sum of its proper divisors (147286).

168938 is a wasteful number, since it uses less digits than its factorization.

168938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its digits is 10368, while the sum is 35.

The square root of 168938 is about 411.0206807449. The cubic root of 168938 is about 55.2809862834.

The spelling of 168938 in words is "one hundred sixty-eight thousand, nine hundred thirty-eight".