172088 has 24 divisors (see below), whose sum is σ = 376200. Its totient is φ = 73584.

The previous prime is 172079. The next prime is 172093. The reversal of 172088 is 880271.

It is a super-2 number, since 2×172088² = 59228559488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (15675).

2¹⁷²⁰⁸⁸ 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 172088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188100).

172088 is an abundant number, since it is smaller than the sum of its proper divisors (204112).

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

172088 is a wasteful number, since it uses less digits than its factorization.

172088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 172088 is about 414.8349069208. The cubic root of 172088 is about 55.6224604320.

The spelling of 172088 in words is "one hundred seventy-two thousand, eighty-eight".