2984789 has 4 divisors (see below), whose sum is σ = 2991360. Its totient is φ = 2978220.

The previous prime is 2984777. The next prime is 2984803. The reversal of 2984789 is 9874892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2984789 - 2⁸ = 2984533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2984749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549 + ... + 3530.

It is an arithmetic number, because the mean of its divisors is an integer number (747840).

2^2984789 is an apocalyptic number.

It is an amenable number.

2984789 is a deficient number, since it is larger than the sum of its proper divisors (6571).

2984789 is an equidigital number, since it uses as much as digits as its factorization.

2984789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its digits is 290304, while the sum is 47.

The square root of 2984789 is about 1727.6541899350. The cubic root of 2984789 is about 143.9807876889.

It can be divided in two parts, 2984 and 789, that added together give a palindrome (3773).

The spelling of 2984789 in words is "two million, nine hundred eighty-four thousand, seven hundred eighty-nine".