172827238 has 8 divisors (see below), whose sum is σ = 259396488. Its totient is φ = 86361744.

The previous prime is 172827233. The next prime is 172827241. The reversal of 172827238 is 832728271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 172827238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172827233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21631 + ... + 28522.

It is an arithmetic number, because the mean of its divisors is an integer number (32424561).

Almost surely, 2^172827238 is an apocalyptic number.

172827238 is a deficient number, since it is larger than the sum of its proper divisors (86569250).

172827238 is a wasteful number, since it uses less digits than its factorization.

172827238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51878.

The product of its digits is 75264, while the sum is 40.

The square root of 172827238 is about 13146.3773717325. The cubic root of 172827238 is about 557.0199241434.

The spelling of 172827238 in words is "one hundred seventy-two million, eight hundred twenty-seven thousand, two hundred thirty-eight".