27924943 has 2 divisors, whose sum is σ = 27924944. Its totient is φ = 27924942.

The previous prime is 27924917. The next prime is 27924959. The reversal of 27924943 is 34942972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27924943 - 2⁹ = 27924431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27924896 and 27924905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27924983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962471 + 13962472.

It is an arithmetic number, because the mean of its divisors is an integer number (13962472).

Almost surely, 2^27924943 is an apocalyptic number.

27924943 is a deficient number, since it is larger than the sum of its proper divisors (1).

27924943 is an equidigital number, since it uses as much as digits as its factorization.

27924943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 27924943 is about 5284.4056430217. The cubic root of 27924943 is about 303.3873243132.

The spelling of 27924943 in words is "twenty-seven million, nine hundred twenty-four thousand, nine hundred forty-three".