27845364 has 48 divisors (see below), whose sum is σ = 68245632. Its totient is φ = 8819712.

The previous prime is 27845353. The next prime is 27845369. The reversal of 27845364 is 46354872.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27845369) 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 15 ways as a sum of consecutive naturals, for example, 64092 + ... + 64524.

It is an arithmetic number, because the mean of its divisors is an integer number (1421784).

Almost surely, 2^27845364 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 27845364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34122816).

27845364 is an abundant number, since it is smaller than the sum of its proper divisors (40400268).

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

27845364 is a wasteful number, since it uses less digits than its factorization.

27845364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 694 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 27845364 is about 5276.8706635657. The cubic root of 27845364 is about 303.0988578298.

The spelling of 27845364 in words is "twenty-seven million, eight hundred forty-five thousand, three hundred sixty-four".