27328860 has 192 divisors, whose sum is σ = 97372800. Its totient is φ = 6303744.

The previous prime is 27328849. The next prime is 27328871. The reversal of 27328860 is 6882372.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27328849) and next prime (27328871).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119226 + ... + 119454.

It is an arithmetic number, because the mean of its divisors is an integer number (507150).

Almost surely, 2^27328860 is an apocalyptic number.

27328860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27328860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48686400).

27328860 is an abundant number, since it is smaller than the sum of its proper divisors (70043940).

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

27328860 is a wasteful number, since it uses less digits than its factorization.

27328860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27328860 is about 5227.7012156396. The cubic root of 27328860 is about 301.2130881124.

The spelling of 27328860 in words is "twenty-seven million, three hundred twenty-eight thousand, eight hundred sixty".