173938 has 4 divisors (see below), whose sum is σ = 260910. Its totient is φ = 86968.

The previous prime is 173933. The next prime is 173969. The reversal of 173938 is 839371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839371 = 13 ⋅64567.

It can be written as a sum of positive squares in only one way, i.e., 173889 + 49 = 417^2 + 7^2 .

It is not an unprimeable number, because it can be changed into a prime (173933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43483 + ... + 43486.

2¹⁷³⁹³⁸ is an apocalyptic number.

173938 is a deficient number, since it is larger than the sum of its proper divisors (86972).

173938 is an equidigital number, since it uses as much as digits as its factorization.

173938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86971.

The product of its digits is 4536, while the sum is 31.

The square root of 173938 is about 417.0587488592. The cubic root of 173938 is about 55.8210700524.

It can be divided in two parts, 173 and 938, that added together give a palindrome (1111).

The spelling of 173938 in words is "one hundred seventy-three thousand, nine hundred thirty-eight".