172344384 has 63 divisors (see below), whose sum is σ = 494898807. Its totient is φ = 57343104.

The previous prime is 172344379. The next prime is 172344391. The reversal of 172344384 is 483443271.

The square root of 172344384 is 13128.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 314799 + ... + 315345.

Almost surely, 2^172344384 is an apocalyptic number.

172344384 is the 13128-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172344384

172344384 is an abundant number, since it is smaller than the sum of its proper divisors (322554423).

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

172344384 is an frugal number, since it uses more digits than its factorization.

172344384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 552 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The cubic root of 172344384 is about 556.5006962548.

Multiplying 172344384 by its sum of digits (36), we get a square (6204397824 = 78768²).

172344384 divided by its sum of digits (36) gives a square (4787344 = 2188²).

The spelling of 172344384 in words is "one hundred seventy-two million, three hundred forty-four thousand, three hundred eighty-four".