180006338 has 18 divisors (see below), whose sum is σ = 276746169. Its totient is φ = 87811672.

The previous prime is 180006329. The next prime is 180006347. The reversal of 180006338 is 833600081.

It is an interprime number because it is at equal distance from previous prime (180006329) and next prime (180006347).

It can be written as a sum of positive squares in 2 ways, for example, as 170746489 + 9259849 = 13067^2 + 3043^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9487.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180006338.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1005533 + ... + 1005711.

Almost surely, 2^180006338 is an apocalyptic number.

180006338 is a deficient number, since it is larger than the sum of its proper divisors (96739831).

180006338 is an frugal number, since it uses more digits than its factorization.

180006338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 180006338 is about 13416.6440662336. The cubic root of 180006338 is about 564.6282442357.

The spelling of 180006338 in words is "one hundred eighty million, six thousand, three hundred thirty-eight".