27964365 has 32 divisors (see below), whose sum is σ = 52569216. Its totient is φ = 12514560.

The previous prime is 27964361. The next prime is 27964373. The reversal of 27964365 is 56346972.

It is not a de Polignac number, because 27964365 - 2² = 27964361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27964361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4374 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (1642788).

Almost surely, 2^27964365 is an apocalyptic number.

It is an amenable number.

27964365 is a deficient number, since it is larger than the sum of its proper divisors (24604851).

27964365 is a wasteful number, since it uses less digits than its factorization.

27964365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13069.

The product of its digits is 272160, while the sum is 42.

The square root of 27964365 is about 5288.1343591100. The cubic root of 27964365 is about 303.5300224429.

The spelling of 27964365 in words is "twenty-seven million, nine hundred sixty-four thousand, three hundred sixty-five".