27396399 has 8 divisors (see below), whose sum is σ = 36675072. Its totient is φ = 18191000.

The previous prime is 27396377. The next prime is 27396407. The reversal of 27396399 is 99369372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27396399 - 2¹² = 27392303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27396349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17439 + ... + 18944.

It is an arithmetic number, because the mean of its divisors is an integer number (4584384).

Almost surely, 2^27396399 is an apocalyptic number.

27396399 is a deficient number, since it is larger than the sum of its proper divisors (9278673).

27396399 is a wasteful number, since it uses less digits than its factorization.

27396399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36637.

The product of its digits is 551124, while the sum is 48.

The square root of 27396399 is about 5234.1569521748. The cubic root of 27396399 is about 301.4610176520.

The spelling of 27396399 in words is "twenty-seven million, three hundred ninety-six thousand, three hundred ninety-nine".