172339338 has 16 divisors (see below), whose sum is σ = 345004416. Its totient is φ = 57392160.

The previous prime is 172339301. The next prime is 172339339. The reversal of 172339338 is 833933271.

It is a junction number, because it is equal to n+sod(n) for n = 172339296 and 172339305.

It is not an unprimeable number, because it can be changed into a prime (172339339) 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 7 ways as a sum of consecutive naturals, for example, 6403 + ... + 19638.

It is an arithmetic number, because the mean of its divisors is an integer number (21562776).

Almost surely, 2^172339338 is an apocalyptic number.

172339338 is an abundant number, since it is smaller than the sum of its proper divisors (172665078).

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

172339338 is a wasteful number, since it uses less digits than its factorization.

172339338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27149.

The product of its digits is 81648, while the sum is 39.

The square root of 172339338 is about 13127.8078139497. The cubic root of 172339338 is about 556.4952650172.

The spelling of 172339338 in words is "one hundred seventy-two million, three hundred thirty-nine thousand, three hundred thirty-eight".