172396 has 24 divisors (see below), whose sum is σ = 354816. Its totient is φ = 71760.

The previous prime is 172373. The next prime is 172399. The reversal of 172396 is 693271.

It is a Harshad number since it is a multiple of its sum of digits (28).

Its product of digits (2268) is a multiple of the sum of its prime factors (189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172399) 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, 1251 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (14784).

2¹⁷²³⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177408).

172396 is an abundant number, since it is smaller than the sum of its proper divisors (182420).

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

172396 is a wasteful number, since it uses less digits than its factorization.

172396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 187 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 172396 is about 415.2059729821. The cubic root of 172396 is about 55.6556246799.

The spelling of 172396 in words is "one hundred seventy-two thousand, three hundred ninety-six".