2001894 has 16 divisors (see below), whose sum is σ = 4041840. Its totient is φ = 660960.

The previous prime is 2001847. The next prime is 2001911. The reversal of 2001894 is 4981002.

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 7 ways as a sum of consecutive naturals, for example, 877 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (252615).

2^2001894 is an apocalyptic number.

2001894 is an abundant number, since it is smaller than the sum of its proper divisors (2039946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001894 is a wasteful number, since it uses less digits than its factorization.

2001894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2001894 is about 1414.8830340350. The cubic root of 2001894 is about 126.0318639494.

Adding to 2001894 its reverse (4981002), we get a palindrome (6982896).

The spelling of 2001894 in words is "two million, one thousand, eight hundred ninety-four".