1836979 has 2 divisors, whose sum is σ = 1836980. Its totient is φ = 1836978.

The previous prime is 1836973. The next prime is 1837007. The reversal of 1836979 is 9796381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1836979 - 2³ = 1836971 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1836971) 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, 918489 + 918490.

It is an arithmetic number, because the mean of its divisors is an integer number (918490).

2^1836979 is an apocalyptic number.

1836979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836979 is an equidigital number, since it uses as much as digits as its factorization.

1836979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 1836979 is about 1355.3519838035. The cubic root of 1836979 is about 122.4714135712.

The spelling of 1836979 in words is "one million, eight hundred thirty-six thousand, nine hundred seventy-nine".