27868438 has 24 divisors (see below), whose sum is σ = 46392696. Its totient is φ = 12542400.

The previous prime is 27868427. The next prime is 27868439. The reversal of 27868438 is 83486872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27868439) 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 11 ways as a sum of consecutive naturals, for example, 12853 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (1933029).

Almost surely, 2^27868438 is an apocalyptic number.

27868438 is a deficient number, since it is larger than the sum of its proper divisors (18524258).

27868438 is a wasteful number, since it uses less digits than its factorization.

27868438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 2067 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 27868438 is about 5279.0565444973. The cubic root of 27868438 is about 303.1825554508.

The spelling of 27868438 in words is "twenty-seven million, eight hundred sixty-eight thousand, four hundred thirty-eight".