27913608 has 48 divisors (see below), whose sum is σ = 76892400. Its totient is φ = 9145440.

The previous prime is 27913601. The next prime is 27913619. The reversal of 27913608 is 80631972.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27913601) 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 11 ways as a sum of consecutive naturals, for example, 963 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (1601925).

Almost surely, 2^27913608 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 27913608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38446200).

27913608 is an abundant number, since it is smaller than the sum of its proper divisors (48978792).

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

27913608 is a wasteful number, since it uses less digits than its factorization.

27913608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642 (or 6635 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 27913608 is about 5283.3330389064. Note that the first 3 decimals coincide. The cubic root of 27913608 is about 303.3462694908.

The spelling of 27913608 in words is "twenty-seven million, nine hundred thirteen thousand, six hundred eight".