2885689 has 2 divisors, whose sum is σ = 2885690. Its totient is φ = 2885688.

The previous prime is 2885677. The next prime is 2885693. The reversal of 2885689 is 9865882.

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., 2371600 + 514089 = 1540^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2885689 - 2⁹ = 2885177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2885639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442844 + 1442845.

It is an arithmetic number, because the mean of its divisors is an integer number (1442845).

2^2885689 is an apocalyptic number.

It is an amenable number.

2885689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2885689 is an equidigital number, since it uses as much as digits as its factorization.

2885689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 2885689 is about 1698.7315856250. The cubic root of 2885689 is about 142.3693518869.

The spelling of 2885689 in words is "two million, eight hundred eighty-five thousand, six hundred eighty-nine".