27894955 has 16 divisors (see below), whose sum is σ = 37778400. Its totient is φ = 19586560.

The previous prime is 27894949. The next prime is 27894959. The reversal of 27894955 is 55949872.

It is not a de Polignac number, because 27894955 - 2⁹ = 27894443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27894899 and 27894908.

It is not an unprimeable number, because it can be changed into a prime (27894959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7150 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (2361150).

Almost surely, 2^27894955 is an apocalyptic number.

27894955 is a deficient number, since it is larger than the sum of its proper divisors (9883445).

27894955 is a wasteful number, since it uses less digits than its factorization.

27894955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534.

The product of its digits is 907200, while the sum is 49.

The square root of 27894955 is about 5281.5674756648. The cubic root of 27894955 is about 303.2786850256.

It can be divided in two parts, 2789 and 4955, that added together give a square (7744 = 88²).

The spelling of 27894955 in words is "twenty-seven million, eight hundred ninety-four thousand, nine hundred fifty-five".