2698859 has 4 divisors (see below), whose sum is σ = 2706360. Its totient is φ = 2691360.

The previous prime is 2698853. The next prime is 2698867. The reversal of 2698859 is 9588962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9588962 = 2 ⋅4794481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2698859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2698853) 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, 3182 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (676590).

2^2698859 is an apocalyptic number.

2698859 is a deficient number, since it is larger than the sum of its proper divisors (7501).

2698859 is an equidigital number, since it uses as much as digits as its factorization.

2698859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its digits is 311040, while the sum is 47.

The square root of 2698859 is about 1642.8204405838. The cubic root of 2698859 is about 139.2280472341.

The spelling of 2698859 in words is "two million, six hundred ninety-eight thousand, eight hundred fifty-nine".