27638382 has 8 divisors (see below), whose sum is σ = 55276776. Its totient is φ = 9212792.

The previous prime is 27638339. The next prime is 27638389. The reversal of 27638382 is 28383672.

It is a happy number.

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

27638382 is an admirable number.

It is a super-3 number, since 3×27638382³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27638382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27638389) 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, 2303193 + ... + 2303204.

It is an arithmetic number, because the mean of its divisors is an integer number (6909597).

Almost surely, 2^27638382 is an apocalyptic number.

27638382 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.

27638382 is a wasteful number, since it uses less digits than its factorization.

27638382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606402.

The product of its digits is 96768, while the sum is 39.

The square root of 27638382 is about 5257.2218899339. The cubic root of 27638382 is about 302.3459844803.

The spelling of 27638382 in words is "twenty-seven million, six hundred thirty-eight thousand, three hundred eighty-two".