27828276 has 48 divisors (see below), whose sum is σ = 75734400. Its totient is φ = 7949760.

The previous prime is 27828211. The next prime is 27828289. The reversal of 27828276 is 67282872.

It is a super-3 number, since 3×27828276³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (1577800).

Almost surely, 2^27828276 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 27828276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37867200).

27828276 is an abundant number, since it is smaller than the sum of its proper divisors (47906124).

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

27828276 is a wasteful number, since it uses less digits than its factorization.

27828276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6789 (or 6773 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 27828276 is about 5275.2512736362. The cubic root of 27828276 is about 303.0368437590.

The spelling of 27828276 in words is "twenty-seven million, eight hundred twenty-eight thousand, two hundred seventy-six".