27982923 has 8 divisors (see below), whose sum is σ = 37526928. Its totient is φ = 18547104.

The previous prime is 27982909. The next prime is 27982949. The reversal of 27982923 is 32928972.

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

It is not a de Polignac number, because 27982923 - 2⁶ = 27982859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27982523) 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, 26440 + ... + 27477.

It is an arithmetic number, because the mean of its divisors is an integer number (4690866).

Almost surely, 2^27982923 is an apocalyptic number.

27982923 is a deficient number, since it is larger than the sum of its proper divisors (9544005).

27982923 is a wasteful number, since it uses less digits than its factorization.

27982923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54093.

The product of its digits is 108864, while the sum is 42.

The square root of 27982923 is about 5289.8887511932. Note that the first 3 decimals coincide. The cubic root of 27982923 is about 303.5971515023.

The spelling of 27982923 in words is "twenty-seven million, nine hundred eighty-two thousand, nine hundred twenty-three".