27828304 has 40 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 11877888.

The previous prime is 27828301. The next prime is 27828341. The reversal of 27828304 is 40382872.

It is a self number, because there is not a number n which added to its sum of digits gives 27828304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27828301) 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, 46632 + ... + 47224.

It is an arithmetic number, because the mean of its divisors is an integer number (1546776).

Almost surely, 2^27828304 is an apocalyptic number.

It is an amenable number.

27828304 is an abundant number, since it is smaller than the sum of its proper divisors (34042736).

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

27828304 is a wasteful number, since it uses less digits than its factorization.

27828304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 27828304 is about 5275.2539275375. The cubic root of 27828304 is about 303.0369453946.

It can be divided in two parts, 278 and 28304, that added together give a palindrome (28582).

The spelling of 27828304 in words is "twenty-seven million, eight hundred twenty-eight thousand, three hundred four".