2002859 has 4 divisors (see below), whose sum is σ = 2018280. Its totient is φ = 1987440.

The previous prime is 2002853. The next prime is 2002867. The reversal of 2002859 is 9582002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002859 - 2⁸ = 2002603 is a prime.

It is a super-2 number, since 2×2002859² = 8022888347762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002853) 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, 7514 + ... + 7775.

It is an arithmetic number, because the mean of its divisors is an integer number (504570).

2^2002859 is an apocalyptic number.

2002859 is a deficient number, since it is larger than the sum of its proper divisors (15421).

2002859 is a wasteful number, since it uses less digits than its factorization.

2002859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2002859 is about 1415.2240105368. The cubic root of 2002859 is about 126.0521116434.

The spelling of 2002859 in words is "two million, two thousand, eight hundred fifty-nine".