180897 has 8 divisors (see below), whose sum is σ = 255456. Its totient is φ = 113472.

The previous prime is 180883. The next prime is 180907. The reversal of 180897 is 798081.

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

It is not a de Polignac number, because 180897 - 2¹⁴ = 164513 is a prime.

It is an Ulam number.

180897 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 180897.

It is not an unprimeable number, because it can be changed into a prime (180847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 1824.

It is an arithmetic number, because the mean of its divisors is an integer number (31932).

2¹⁸⁰⁸⁹⁷ is an apocalyptic number.

180897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

180897 is a deficient number, since it is larger than the sum of its proper divisors (74559).

180897 is a wasteful number, since it uses less digits than its factorization.

180897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 180897 is about 425.3198796200. The cubic root of 180897 is about 56.5557962915. Note that the first 3 decimals are identical.

The spelling of 180897 in words is "one hundred eighty thousand, eight hundred ninety-seven".