27946043 has 4 divisors (see below), whose sum is σ = 28013160. Its totient is φ = 27878928.

The previous prime is 27946033. The next prime is 27946049. The reversal of 27946043 is 34064972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27946043 - 2⁴ = 27946027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27945994 and 27946012.

It is not an unprimeable number, because it can be changed into a prime (27946049) 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, 32930 + ... + 33767.

It is an arithmetic number, because the mean of its divisors is an integer number (7003290).

Almost surely, 2^27946043 is an apocalyptic number.

27946043 is a deficient number, since it is larger than the sum of its proper divisors (67117).

27946043 is an equidigital number, since it uses as much as digits as its factorization.

27946043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67116.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 27946043 is about 5286.4017062649. The cubic root of 27946043 is about 303.4637179147.

The spelling of 27946043 in words is "twenty-seven million, nine hundred forty-six thousand, forty-three".