27894465 has 24 divisors (see below), whose sum is σ = 48634560. Its totient is φ = 14789664.

The previous prime is 27894463. The next prime is 27894509. The reversal of 27894465 is 56449872.

It is a happy number.

It is not a de Polignac number, because 27894465 - 2¹ = 27894463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 27894465.

It is not an unprimeable number, because it can be changed into a prime (27894463) 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 23 ways as a sum of consecutive naturals, for example, 6324 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (2026440).

Almost surely, 2^27894465 is an apocalyptic number.

It is an amenable number.

27894465 is a deficient number, since it is larger than the sum of its proper divisors (20740095).

27894465 is a wasteful number, since it uses less digits than its factorization.

27894465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3650 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 27894465 is about 5281.5210877171. The cubic root of 27894465 is about 303.2769092275.

The spelling of 27894465 in words is "twenty-seven million, eight hundred ninety-four thousand, four hundred sixty-five".