172916 has 12 divisors (see below), whose sum is σ = 305760. Its totient is φ = 85560.

The previous prime is 172883. The next prime is 172933. The reversal of 172916 is 619271.

172916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 1 + 7⁶ + 9⁴ + 2¹¹ + 1 + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (25480).

2¹⁷²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

172916 is a deficient number, since it is larger than the sum of its proper divisors (132844).

172916 is a wasteful number, since it uses less digits than its factorization.

172916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 172916 is about 415.8316967236. The cubic root of 172916 is about 55.7115267411.

The spelling of 172916 in words is "one hundred seventy-two thousand, nine hundred sixteen".