27298641 has 4 divisors (see below), whose sum is σ = 36398192. Its totient is φ = 18199092.

The previous prime is 27298633. The next prime is 27298699. The reversal of 27298641 is 14689272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27298641 - 2³ = 27298633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27298641.

It is not an unprimeable number, because it can be changed into a prime (27298241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4549771 + ... + 4549776.

It is an arithmetic number, because the mean of its divisors is an integer number (9099548).

Almost surely, 2^27298641 is an apocalyptic number.

It is an amenable number.

27298641 is a deficient number, since it is larger than the sum of its proper divisors (9099551).

27298641 is an equidigital number, since it uses as much as digits as its factorization.

27298641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099550.

The product of its digits is 48384, while the sum is 39.

The square root of 27298641 is about 5224.8101400912. The cubic root of 27298641 is about 301.1020246266.

The spelling of 27298641 in words is "twenty-seven million, two hundred ninety-eight thousand, six hundred forty-one".