172349 has 8 divisors (see below), whose sum is σ = 186240. Its totient is φ = 158976.

The previous prime is 172343. The next prime is 172351. The reversal of 172349 is 943271.

172349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 172349 - 2⁸ = 172093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172343) 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, 797 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (23280).

2¹⁷²³⁴⁹ is an apocalyptic number.

172349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

172349 is a deficient number, since it is larger than the sum of its proper divisors (13891).

172349 is a wasteful number, since it uses less digits than its factorization.

172349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259.

The product of its digits is 1512, while the sum is 26.

The square root of 172349 is about 415.1493707089. The cubic root of 172349 is about 55.6505664571.

The spelling of 172349 in words is "one hundred seventy-two thousand, three hundred forty-nine".