180838 has 8 divisors (see below), whose sum is σ = 310032. Its totient is φ = 77496.

The previous prime is 180811. The next prime is 180847. The reversal of 180838 is 838081.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

180838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6445 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (38754).

2¹⁸⁰⁸³⁸ is an apocalyptic number.

180838 is a deficient number, since it is larger than the sum of its proper divisors (129194).

180838 is a wasteful number, since it uses less digits than its factorization.

180838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 180838 is about 425.2505144030. The cubic root of 180838 is about 56.5496470190.

The spelling of 180838 in words is "one hundred eighty thousand, eight hundred thirty-eight".