2002839 has 8 divisors (see below), whose sum is σ = 2708352. Its totient is φ = 1316280.

The previous prime is 2002829. The next prime is 2002841. The reversal of 2002839 is 9382002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002839 - 2⁴ = 2002823 is a prime.

It is a super-2 number, since 2×2002839² = 8022728119842, which contains 22 as substring.

2002839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489 + ... + 4914.

It is an arithmetic number, because the mean of its divisors is an integer number (338544).

2^2002839 is an apocalyptic number.

2002839 is a deficient number, since it is larger than the sum of its proper divisors (705513).

2002839 is an equidigital number, since it uses as much as digits as its factorization.

2002839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2002839 is about 1415.2169445000. The cubic root of 2002839 is about 126.0516920681.

The spelling of 2002839 in words is "two million, two thousand, eight hundred thirty-nine".