2996789 has 2 divisors, whose sum is σ = 2996790. Its totient is φ = 2996788.

The previous prime is 2996783. The next prime is 2996803. The reversal of 2996789 is 9876992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 339889 = 1630^2 + 583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2996789 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2996783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498394 + 1498395.

It is an arithmetic number, because the mean of its divisors is an integer number (1498395).

2^2996789 is an apocalyptic number.

It is an amenable number.

2996789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2996789 is an equidigital number, since it uses as much as digits as its factorization.

2996789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 2996789 is about 1731.1236235463. The cubic root of 2996789 is about 144.1734824017.

The spelling of 2996789 in words is "two million, nine hundred ninety-six thousand, seven hundred eighty-nine".