27894399 has 16 divisors (see below), whose sum is σ = 42410592. Its totient is φ = 16155648.

The previous prime is 27894379. The next prime is 27894421. The reversal of 27894399 is 99349872.

It is not a de Polignac number, because 27894399 - 2⁵ = 27894367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27894319) 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, 20374 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (2650662).

Almost surely, 2^27894399 is an apocalyptic number.

27894399 is a deficient number, since it is larger than the sum of its proper divisors (14516193).

27894399 is a wasteful number, since it uses less digits than its factorization.

27894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106.

The product of its digits is 979776, while the sum is 51.

The square root of 27894399 is about 5281.5148395134. The cubic root of 27894399 is about 303.2766700368.

The spelling of 27894399 in words is "twenty-seven million, eight hundred ninety-four thousand, three hundred ninety-nine".