27697338 has 24 divisors (see below), whose sum is σ = 60196500. Its totient is φ = 9203904.

The previous prime is 27697333. The next prime is 27697339. The reversal of 27697338 is 83379672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27217089 + 480249 = 5217^2 + 693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27697293 and 27697302.

It is not an unprimeable number, because it can be changed into a prime (27697333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4078 + ... + 8486.

Almost surely, 2^27697338 is an apocalyptic number.

27697338 is an abundant number, since it is smaller than the sum of its proper divisors (32499162).

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

27697338 is a wasteful number, since it uses less digits than its factorization.

27697338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766 (or 4763 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 27697338 is about 5262.8260469067. The cubic root of 27697338 is about 302.5608119437.

The spelling of 27697338 in words is "twenty-seven million, six hundred ninety-seven thousand, three hundred thirty-eight".