27867841 has 3 divisors (see below), whose sum is σ = 27873121. Its totient is φ = 27862562.

The previous prime is 27867839. The next prime is 27867857. The reversal of 27867841 is 14876872.

The square root of 27867841 is 5279.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 27867841 - 2¹ = 27867839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27867821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2640 + ... + 7918.

Almost surely, 2^27867841 is an apocalyptic number.

27867841 is the 5279-th square number.

27867841 is the 2640-th centered octagonal number.

It is an amenable number.

27867841 is a deficient number, since it is larger than the sum of its proper divisors (5280).

27867841 is an frugal number, since it uses more digits than its factorization.

27867841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558 (or 5279 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The cubic root of 27867841 is about 303.1803905013.

The spelling of 27867841 in words is "twenty-seven million, eight hundred sixty-seven thousand, eight hundred forty-one".