2039867 has 2 divisors, whose sum is σ = 2039868. Its totient is φ = 2039866.

The previous prime is 2039857. The next prime is 2039879. The reversal of 2039867 is 7689302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2039867 - 2¹⁶ = 1974331 is a prime.

It is a super-2 number, since 2×2039867² = 8322114755378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2039837) 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, 1019933 + 1019934.

It is an arithmetic number, because the mean of its divisors is an integer number (1019934).

2^2039867 is an apocalyptic number.

2039867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039867 is an equidigital number, since it uses as much as digits as its factorization.

2039867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2039867 is about 1428.2391256369. The cubic root of 2039867 is about 126.8237578507.

It can be divided in two parts, 203 and 9867, that multiplied together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 2039867 in words is "two million, thirty-nine thousand, eight hundred sixty-seven".