27698944 has 144 divisors (see below), whose sum is σ = 72112320. Its totient is φ = 10321920.

The previous prime is 27698929. The next prime is 27698959. The reversal of 27698944 is 44989672.

It is an interprime number because it is at equal distance from previous prime (27698929) and next prime (27698959).

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, 675564 + ... + 675604.

It is an arithmetic number, because the mean of its divisors is an integer number (500780).

Almost surely, 2^27698944 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 27698944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36056160).

27698944 is an abundant number, since it is smaller than the sum of its proper divisors (44413376).

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

27698944 is a wasteful number, since it uses less digits than its factorization.

27698944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 92 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 27698944 is about 5262.9786243153. The cubic root of 27698944 is about 302.5666597171.

The spelling of 27698944 in words is "twenty-seven million, six hundred ninety-eight thousand, nine hundred forty-four".