27689316 has 48 divisors (see below), whose sum is σ = 67314240. Its totient is φ = 8848000.

The previous prime is 27689279. The next prime is 27689351. The reversal of 27689316 is 61398672.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87190 + ... + 87506.

It is an arithmetic number, because the mean of its divisors is an integer number (1402380).

Almost surely, 2^27689316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27689316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33657120).

27689316 is an abundant number, since it is smaller than the sum of its proper divisors (39624924).

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

27689316 is a wasteful number, since it uses less digits than its factorization.

27689316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 27689316 is about 5262.0638536605. The cubic root of 27689316 is about 302.5315988210.

The spelling of 27689316 in words is "twenty-seven million, six hundred eighty-nine thousand, three hundred sixteen".