18830382 has 8 divisors (see below), whose sum is σ = 37660776. Its totient is φ = 6276792.

The previous prime is 18830377. The next prime is 18830389. The reversal of 18830382 is 28303881.

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

18830382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18830389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569193 + ... + 1569204.

It is an arithmetic number, because the mean of its divisors is an integer number (4707597).

Almost surely, 2^18830382 is an apocalyptic number.

18830382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18830382 is a wasteful number, since it uses less digits than its factorization.

18830382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138402.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18830382 is about 4339.3988062864. The cubic root of 18830382 is about 266.0437393919.

The spelling of 18830382 in words is "eighteen million, eight hundred thirty thousand, three hundred eighty-two".