2898689 has 4 divisors (see below), whose sum is σ = 2903124. Its totient is φ = 2894256.

The previous prime is 2898683. The next prime is 2898733. The reversal of 2898689 is 9868982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9868982 = 2 ⋅4934491.

It can be written as a sum of positive squares in 2 ways, for example, as 588289 + 2310400 = 767^2 + 1520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2898689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2898683) 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, 1022 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (725781).

2^2898689 is an apocalyptic number.

It is an amenable number.

2898689 is a deficient number, since it is larger than the sum of its proper divisors (4435).

2898689 is an equidigital number, since it uses as much as digits as its factorization.

2898689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434.

The product of its digits is 497664, while the sum is 50.

The square root of 2898689 is about 1702.5536702260. The cubic root of 2898689 is about 142.5828224802.

The spelling of 2898689 in words is "two million, eight hundred ninety-eight thousand, six hundred eighty-nine".