18800382 has 8 divisors (see below), whose sum is σ = 37600776. Its totient is φ = 6266792.

The previous prime is 18800377. The next prime is 18800387. The reversal of 18800382 is 28300881.

It is an interprime number because it is at equal distance from previous prime (18800377) and next prime (18800387).

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

18800382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18800387) 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, 1566693 + ... + 1566704.

It is an arithmetic number, because the mean of its divisors is an integer number (4700097).

Almost surely, 2^18800382 is an apocalyptic number.

18800382 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.

18800382 is a wasteful number, since it uses less digits than its factorization.

18800382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133402.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 18800382 is about 4335.9407283772. The cubic root of 18800382 is about 265.9023799925.

The spelling of 18800382 in words is "eighteen million, eight hundred thousand, three hundred eighty-two".