27394469 has 4 divisors (see below), whose sum is σ = 27493644. Its totient is φ = 27295296.

The previous prime is 27394457. The next prime is 27394501. The reversal of 27394469 is 96449372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8584900 + 18809569 = 2930^2 + 4337^2 .

It is a cyclic number.

It is not a de Polignac number, because 27394469 - 2⁴ = 27394453 is a prime.

It is a super-2 number, since 2×27394469² = 1500913863583922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 49172 + ... + 49725.

It is an arithmetic number, because the mean of its divisors is an integer number (6873411).

Almost surely, 2^27394469 is an apocalyptic number.

It is an amenable number.

27394469 is a deficient number, since it is larger than the sum of its proper divisors (99175).

27394469 is an equidigital number, since it uses as much as digits as its factorization.

27394469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99174.

The product of its digits is 326592, while the sum is 44.

The square root of 27394469 is about 5233.9725830386. The cubic root of 27394469 is about 301.4539384561.

The spelling of 27394469 in words is "twenty-seven million, three hundred ninety-four thousand, four hundred sixty-nine".