27289696 has 48 divisors (see below), whose sum is σ = 63534240. Its totient is φ = 11289600.

The previous prime is 27289693. The next prime is 27289697. The reversal of 27289696 is 69698272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27289693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 8596.

It is an arithmetic number, because the mean of its divisors is an integer number (1323630).

Almost surely, 2^27289696 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 27289696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31767120).

27289696 is an abundant number, since it is smaller than the sum of its proper divisors (36244544).

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

27289696 is a wasteful number, since it uses less digits than its factorization.

27289696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247 (or 4239 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 27289696 is about 5223.9540579909. The cubic root of 27289696 is about 301.0691334674.

The spelling of 27289696 in words is "twenty-seven million, two hundred eighty-nine thousand, six hundred ninety-six".