183979 has 2 divisors, whose sum is σ = 183980. Its totient is φ = 183978.

The previous prime is 183973. The next prime is 184003. The reversal of 183979 is 979381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 183979 - 2³ = 183971 is a prime.

It is not a weakly prime, because it can be changed into another prime (183971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91989 + 91990.

It is an arithmetic number, because the mean of its divisors is an integer number (91990).

2¹⁸³⁹⁷⁹ is an apocalyptic number.

183979 is a deficient number, since it is larger than the sum of its proper divisors (1).

183979 is an equidigital number, since it uses as much as digits as its factorization.

183979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 183979 is about 428.9277328409. The cubic root of 183979 is about 56.8751757029.

The spelling of 183979 in words is "one hundred eighty-three thousand, nine hundred seventy-nine".