27997336 has 32 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 12976416.

The previous prime is 27997331. The next prime is 27997337. The reversal of 27997336 is 63379972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27997331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^27997336 is an apocalyptic number.

It is an amenable number.

27997336 is an abundant number, since it is smaller than the sum of its proper divisors (28450664).

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

27997336 is a wasteful number, since it uses less digits than its factorization.

27997336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991 (or 3987 counting only the distinct ones).

The product of its digits is 428652, while the sum is 46.

The square root of 27997336 is about 5291.2508918024. The cubic root of 27997336 is about 303.6492665571.

The spelling of 27997336 in words is "twenty-seven million, nine hundred ninety-seven thousand, three hundred thirty-six".