27394489 has 4 divisors (see below), whose sum is σ = 27452160. Its totient is φ = 27336820.

The previous prime is 27394457. The next prime is 27394501. The reversal of 27394489 is 98449372.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 27394489 - 2⁵ = 27394457 is a prime.

It is a super-2 number, since 2×27394489² = 1500916055142242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27394439) 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, 28117 + ... + 29074.

It is an arithmetic number, because the mean of its divisors is an integer number (6863040).

Almost surely, 2^27394489 is an apocalyptic number.

It is an amenable number.

27394489 is a deficient number, since it is larger than the sum of its proper divisors (57671).

27394489 is an equidigital number, since it uses as much as digits as its factorization.

27394489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57670.

The product of its digits is 435456, while the sum is 46.

The square root of 27394489 is about 5233.9744936329. The cubic root of 27394489 is about 301.4540118173.

The spelling of 27394489 in words is "twenty-seven million, three hundred ninety-four thousand, four hundred eighty-nine".