27324990 has 96 divisors (see below), whose sum is σ = 88598016. Its totient is φ = 5676480.

The previous prime is 27324977. The next prime is 27324991. The reversal of 27324990 is 9942372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27324991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4959 + ... + 8901.

It is an arithmetic number, because the mean of its divisors is an integer number (922896).

Almost surely, 2^27324990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27324990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44299008).

27324990 is an abundant number, since it is smaller than the sum of its proper divisors (61273026).

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

27324990 is a wasteful number, since it uses less digits than its factorization.

27324990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 27324990 is about 5227.3310589631. The cubic root of 27324990 is about 301.1988693259.

The spelling of 27324990 in words is "twenty-seven million, three hundred twenty-four thousand, nine hundred ninety".