2001933 has 6 divisors (see below), whose sum is σ = 2891694. Its totient is φ = 1334616.

The previous prime is 2001919. The next prime is 2001953. The reversal of 2001933 is 3391002.

It can be written as a sum of positive squares in only one way, i.e., 1340964 + 660969 = 1158^2 + 813^2 .

It is not a de Polignac number, because 2001933 - 2⁸ = 2001677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111210 + ... + 111227.

It is an arithmetic number, because the mean of its divisors is an integer number (481949).

2^2001933 is an apocalyptic number.

It is an amenable number.

2001933 is a deficient number, since it is larger than the sum of its proper divisors (889761).

2001933 is a wasteful number, since it uses less digits than its factorization.

2001933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222443 (or 222440 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2001933 is about 1414.8968160258. The cubic root of 2001933 is about 126.0326823761.

Adding to 2001933 its reverse (3391002), we get a palindrome (5392935).

The spelling of 2001933 in words is "two million, one thousand, nine hundred thirty-three".