172268338 has 16 divisors (see below), whose sum is σ = 287214336. Its totient is φ = 76825840.

The previous prime is 172268329. The next prime is 172268339. The reversal of 172268338 is 833862271.

It is a self number, because there is not a number n which added to its sum of digits gives 172268338.

It is not an unprimeable number, because it can be changed into a prime (172268339) 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, 72706 + ... + 75037.

It is an arithmetic number, because the mean of its divisors is an integer number (17950896).

Almost surely, 2^172268338 is an apocalyptic number.

172268338 is a deficient number, since it is larger than the sum of its proper divisors (114945998).

172268338 is a wasteful number, since it uses less digits than its factorization.

172268338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147809.

The product of its digits is 96768, while the sum is 40.

The square root of 172268338 is about 13125.1033519740. The cubic root of 172268338 is about 556.4188332684.

The spelling of 172268338 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, three hundred thirty-eight".