27384984 has 96 divisors (see below), whose sum is σ = 82218240. Its totient is φ = 8164800.

The previous prime is 27384979. The next prime is 27384989. The reversal of 27384984 is 48948372.

It is an interprime number because it is at equal distance from previous prime (27384979) and next prime (27384989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27384989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55989 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (856440).

Almost surely, 2^27384984 is an apocalyptic number.

27384984 is a gapful number since it is divisible by the number (24) 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 27384984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41109120).

27384984 is an abundant number, since it is smaller than the sum of its proper divisors (54833256).

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

27384984 is a wasteful number, since it uses less digits than its factorization.

27384984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 574 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 27384984 is about 5233.0664050822. The cubic root of 27384984 is about 301.4191428596.

The spelling of 27384984 in words is "twenty-seven million, three hundred eighty-four thousand, nine hundred eighty-four".