2001802 has 16 divisors (see below), whose sum is σ = 3448800. Its totient is φ = 861840.

The previous prime is 2001799. The next prime is 2001809. The reversal of 2001802 is 2081002.

It is a super-2 number, since 2×2001802² = 8014422494408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (215550).

2^2001802 is an apocalyptic number.

2001802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001802 is a deficient number, since it is larger than the sum of its proper divisors (1446998).

2001802 is a wasteful number, since it uses less digits than its factorization.

2001802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2001802 is about 1414.8505221401. The cubic root of 2001802 is about 126.0299332595.

Adding to 2001802 its reverse (2081002), we get a palindrome (4082804).

It can be divided in two parts, 200 and 1802, that added together give a palindrome (2002).

The spelling of 2001802 in words is "two million, one thousand, eight hundred two".