2001850 has 12 divisors (see below), whose sum is σ = 3723534. Its totient is φ = 800720.

The previous prime is 2001847. The next prime is 2001911. The reversal of 2001850 is 581002.

2001850 = T₁₄₈ + T₁₄₉ + ... + T₂₄₇.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1713481 + 288369 = 1309^2 + 537^2 .

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 5 ways as a sum of consecutive naturals, for example, 19969 + ... + 20068.

2^2001850 is an apocalyptic number.

2001850 is a deficient number, since it is larger than the sum of its proper divisors (1721684).

2001850 is a wasteful number, since it uses less digits than its factorization.

2001850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40049 (or 40044 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2001850 is about 1414.8674849610. The cubic root of 2001850 is about 126.0309405833.

Adding to 2001850 its reverse (581002), we get a palindrome (2582852).

The spelling of 2001850 in words is "two million, one thousand, eight hundred fifty".