27946943 has 8 divisors (see below), whose sum is σ = 28588560. Its totient is φ = 27311040.

The previous prime is 27946913. The next prime is 27946969. The reversal of 27946943 is 34964972.

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

It is a cyclic number.

It is not a de Polignac number, because 27946943 - 2⁸ = 27946687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27946894 and 27946903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27946913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9371 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (3573570).

Almost surely, 2^27946943 is an apocalyptic number.

27946943 is a deficient number, since it is larger than the sum of its proper divisors (641617).

27946943 is a wasteful number, since it uses less digits than its factorization.

27946943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857.

The product of its digits is 326592, while the sum is 44.

The square root of 27946943 is about 5286.4868296441. The cubic root of 27946943 is about 303.4669755544.

The spelling of 27946943 in words is "twenty-seven million, nine hundred forty-six thousand, nine hundred forty-three".