2873789 has 2 divisors, whose sum is σ = 2873790. Its totient is φ = 2873788.

The previous prime is 2873777. The next prime is 2873797. The reversal of 2873789 is 9873782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 17689 = 1690^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873789 - 2¹² = 2869693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2873729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436894 + 1436895.

It is an arithmetic number, because the mean of its divisors is an integer number (1436895).

2^2873789 is an apocalyptic number.

It is an amenable number.

2873789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873789 is an equidigital number, since it uses as much as digits as its factorization.

2873789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 2873789 is about 1695.2253537509. The cubic root of 2873789 is about 142.1733814182.

The spelling of 2873789 in words is "two million, eight hundred seventy-three thousand, seven hundred eighty-nine".