27228936 has 64 divisors (see below), whose sum is σ = 79102080. Its totient is φ = 7649280.

The previous prime is 27228931. The next prime is 27228947. The reversal of 27228936 is 63982272.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27228894 and 27228903.

It is not an unprimeable number, because it can be changed into a prime (27228931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8920 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (1235970).

Almost surely, 2^27228936 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 27228936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39551040).

27228936 is an abundant number, since it is smaller than the sum of its proper divisors (51873144).

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

27228936 is a wasteful number, since it uses less digits than its factorization.

27228936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2730 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 27228936 is about 5218.1352991275. The cubic root of 27228936 is about 300.8455258259.

The spelling of 27228936 in words is "twenty-seven million, two hundred twenty-eight thousand, nine hundred thirty-six".