27946 has 8 divisors (see below), whose sum is σ = 42660. Its totient is φ = 13728.

The previous prime is 27943. The next prime is 27947. The reversal of 27946 is 64972.

It can be written as a sum of positive squares in 2 ways, for example, as 25921 + 2025 = 161^2 + 45^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (27941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 256.

2²⁷⁹⁴⁶ is an apocalyptic number.

27946 is a deficient number, since it is larger than the sum of its proper divisors (14714).

27946 is a wasteful number, since it uses less digits than its factorization.

27946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its digits is 3024, while the sum is 28.

The square root of 27946 is about 167.1705715729. The cubic root of 27946 is about 30.3463562270.

It can be divided in two parts, 279 and 46, that added together give a triangular number (325 = T₂₅).

The spelling of 27946 in words is "twenty-seven thousand, nine hundred forty-six".