27834864 has 20 divisors (see below), whose sum is σ = 71906856. Its totient is φ = 9278272.

The previous prime is 27834817. The next prime is 27834871. The reversal of 27834864 is 46843872.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 289899 + ... + 289994.

Almost surely, 2^27834864 is an apocalyptic number.

27834864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27834864 is an abundant number, since it is smaller than the sum of its proper divisors (44071992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27834864 is a wasteful number, since it uses less digits than its factorization.

27834864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579904 (or 579898 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 27834864 is about 5275.8756619162. The cubic root of 27834864 is about 303.0607552799.

The spelling of 27834864 in words is "twenty-seven million, eight hundred thirty-four thousand, eight hundred sixty-four".