27698994 has 24 divisors (see below), whose sum is σ = 60287760. Its totient is φ = 9190968.

The previous prime is 27698963. The next prime is 27698999. The reversal of 27698994 is 49989672.

It is a super-2 number, since 2×27698994² = 1534468537224072, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27698994.

It is not an unprimeable number, because it can be changed into a prime (27698999) 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 11 ways as a sum of consecutive naturals, for example, 697 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (2511990).

Almost surely, 2^27698994 is an apocalyptic number.

27698994 is an abundant number, since it is smaller than the sum of its proper divisors (32588766).

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

27698994 is a wasteful number, since it uses less digits than its factorization.

27698994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7011 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 27698994 is about 5262.9833744750. The cubic root of 27698994 is about 302.5668417737.

The spelling of 27698994 in words is "twenty-seven million, six hundred ninety-eight thousand, nine hundred ninety-four".