27889196 has 12 divisors (see below), whose sum is σ = 48845160. Its totient is φ = 13933440.

The previous prime is 27889193. The next prime is 27889217. The reversal of 27889196 is 69198872.

It is not an unprimeable number, because it can be changed into a prime (27889193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5711 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (4070430).

Almost surely, 2^27889196 is an apocalyptic number.

It is an amenable number.

27889196 is a deficient number, since it is larger than the sum of its proper divisors (20955964).

27889196 is a wasteful number, since it uses less digits than its factorization.

27889196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 5582 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 27889196 is about 5281.0222495271. The cubic root of 27889196 is about 303.2578126474.

Adding to 27889196 its sum of digits (50), we get a triangular number (27889246 = T₇₄₆₈).

It can be divided in two parts, 27889 and 196, that multiplied together give a square (5466244 = 2338²).

The spelling of 27889196 in words is "twenty-seven million, eight hundred eighty-nine thousand, one hundred ninety-six".