180349 has 4 divisors (see below), whose sum is σ = 194236. Its totient is φ = 166464.

The previous prime is 180347. The next prime is 180361. The reversal of 180349 is 943081.

180349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52900 + 127449 = 230^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 180349 - 2¹ = 180347 is a prime.

It is a Duffinian number.

180349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6924 + ... + 6949.

It is an arithmetic number, because the mean of its divisors is an integer number (48559).

2¹⁸⁰³⁴⁹ is an apocalyptic number.

It is an amenable number.

180349 is a deficient number, since it is larger than the sum of its proper divisors (13887).

180349 is a wasteful number, since it uses less digits than its factorization.

180349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 180349 is about 424.6751699829. The cubic root of 180349 is about 56.4986294601.

It can be divided in two parts, 180 and 349, that added together give a square (529 = 23²).

The spelling of 180349 in words is "one hundred eighty thousand, three hundred forty-nine".