27494289 has 16 divisors (see below), whose sum is σ = 40904640. Its totient is φ = 18252000.

The previous prime is 27494281. The next prime is 27494297. The reversal of 27494289 is 98249472.

It is an interprime number because it is at equal distance from previous prime (27494281) and next prime (27494297).

It is not a de Polignac number, because 27494289 - 2³ = 27494281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27494281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4749 + ... + 8805.

It is an arithmetic number, because the mean of its divisors is an integer number (2556540).

Almost surely, 2^27494289 is an apocalyptic number.

It is an amenable number.

27494289 is a deficient number, since it is larger than the sum of its proper divisors (13410351).

27494289 is a wasteful number, since it uses less digits than its factorization.

27494289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317 (or 4311 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 27494289 is about 5243.4996900925. The cubic root of 27494289 is about 301.8196407108.

The spelling of 27494289 in words is "twenty-seven million, four hundred ninety-four thousand, two hundred eighty-nine".