2002838 has 8 divisors (see below), whose sum is σ = 3181032. Its totient is φ = 942496.

The previous prime is 2002829. The next prime is 2002841. The reversal of 2002838 is 8382002.

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

It is a super-2 number, since 2×2002838² = 8022720108488, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29420 + ... + 29487.

It is an arithmetic number, because the mean of its divisors is an integer number (397629).

2^2002838 is an apocalyptic number.

2002838 is a deficient number, since it is larger than the sum of its proper divisors (1178194).

2002838 is a wasteful number, since it uses less digits than its factorization.

2002838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58926.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2002838 is about 1415.2165911973. The cubic root of 2002838 is about 126.0516710893.

The spelling of 2002838 in words is "two million, two thousand, eight hundred thirty-eight".