27861842 has 8 divisors (see below), whose sum is σ = 41846016. Its totient is φ = 13913172.

The previous prime is 27861829. The next prime is 27861853. The reversal of 27861842 is 24816872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27861796 and 27861805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (5230752).

Almost surely, 2^27861842 is an apocalyptic number.

27861842 is a deficient number, since it is larger than the sum of its proper divisors (13984174).

27861842 is a wasteful number, since it uses less digits than its factorization.

27861842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17752.

The product of its digits is 43008, while the sum is 38.

The square root of 27861842 is about 5278.4317746846. The cubic root of 27861842 is about 303.1586341253.

The spelling of 27861842 in words is "twenty-seven million, eight hundred sixty-one thousand, eight hundred forty-two".