2884689 has 6 divisors (see below), whose sum is σ = 4166786. Its totient is φ = 1923120.

The previous prime is 2884681. The next prime is 2884691. The reversal of 2884689 is 9864882.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 11664 = 1695^2 + 108^2 .

It is not a de Polignac number, because 2884689 - 2³ = 2884681 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 (2884681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160252 + ... + 160269.

2^2884689 is an apocalyptic number.

It is an amenable number.

2884689 is a deficient number, since it is larger than the sum of its proper divisors (1282097).

2884689 is a wasteful number, since it uses less digits than its factorization.

2884689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320527 (or 320524 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2884689 is about 1698.4372228611. The cubic root of 2884689 is about 142.3529045381.

The spelling of 2884689 in words is "two million, eight hundred eighty-four thousand, six hundred eighty-nine".