27898297 has 12 divisors (see below), whose sum is σ = 32868480. Its totient is φ = 23606856.

The previous prime is 27898291. The next prime is 27898301. The reversal of 27898297 is 79289872.

It is not a de Polignac number, because 27898297 - 2¹⁵ = 27865529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27898291) 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, 268 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (2739040).

Almost surely, 2^27898297 is an apocalyptic number.

It is an amenable number.

27898297 is a deficient number, since it is larger than the sum of its proper divisors (4970183).

27898297 is an equidigital number, since it uses as much as digits as its factorization.

27898297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300 (or 7293 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 27898297 is about 5281.8838495370. The cubic root of 27898297 is about 303.2907961391.

The spelling of 27898297 in words is "twenty-seven million, eight hundred ninety-eight thousand, two hundred ninety-seven".