27494399 has 4 divisors (see below), whose sum is σ = 27751464. Its totient is φ = 27237336.

The previous prime is 27494381. The next prime is 27494417. The reversal of 27494399 is 99349472.

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

It is an interprime number because it is at equal distance from previous prime (27494381) and next prime (27494417).

It is a cyclic number.

It is not a de Polignac number, because 27494399 - 2¹² = 27490303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27494309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128372 + ... + 128585.

It is an arithmetic number, because the mean of its divisors is an integer number (6937866).

Almost surely, 2^27494399 is an apocalyptic number.

27494399 is a deficient number, since it is larger than the sum of its proper divisors (257065).

27494399 is a wasteful number, since it uses less digits than its factorization.

27494399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257064.

The product of its digits is 489888, while the sum is 47.

The square root of 27494399 is about 5243.5101792597. The cubic root of 27494399 is about 301.8200432200.

The spelling of 27494399 in words is "twenty-seven million, four hundred ninety-four thousand, three hundred ninety-nine".