27889246 has 32 divisors (see below), whose sum is σ = 52722432. Its totient is φ = 10748160.

The previous prime is 27889237. The next prime is 27889249. The reversal of 27889246 is 64298872.

27889246 is a nontrivial binomial coefficient, being equal to C(7469, 2).

It is a junction number, because it is equal to n+sod(n) for n = 27889196 and 27889205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27889249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14005 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (1647576).

Almost surely, 2^27889246 is an apocalyptic number.

27889246 is the 7468-th triangular number.

27889246 is the 2490-th centered nonagonal number.

27889246 is a deficient number, since it is larger than the sum of its proper divisors (24833186).

27889246 is a wasteful number, since it uses less digits than its factorization.

27889246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its digits is 387072, while the sum is 46.

The square root of 27889246 is about 5281.0269834569. The cubic root of 27889246 is about 303.2579938751.

The spelling of 27889246 in words is "twenty-seven million, eight hundred eighty-nine thousand, two hundred forty-six".