27328212 has 48 divisors (see below), whose sum is σ = 71406720. Its totient is φ = 9038016.

The previous prime is 27328211. The next prime is 27328229. The reversal of 27328212 is 21282372.

It is a happy number.

It is a super-2 number, since 2×27328212² = 1493662342233888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27328211) 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, 13873 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (1487640).

Almost surely, 2^27328212 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 27328212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35703360).

27328212 is an abundant number, since it is smaller than the sum of its proper divisors (44078508).

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

27328212 is a wasteful number, since it uses less digits than its factorization.

27328212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1989 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 27328212 is about 5227.6392377439. The cubic root of 27328212 is about 301.2107073859.

The spelling of 27328212 in words is "twenty-seven million, three hundred twenty-eight thousand, two hundred twelve".