2001896 has 16 divisors (see below), whose sum is σ = 4042500. Its totient is φ = 923904.

The previous prime is 2001847. The next prime is 2001911. The reversal of 2001896 is 6981002.

2001896 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 2500 = 1414^2 + 50^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9521 + ... + 9728.

2^2001896 is an apocalyptic number.

2001896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2001896 is an abundant number, since it is smaller than the sum of its proper divisors (2040604).

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

2001896 is a wasteful number, since it uses less digits than its factorization.

2001896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19268 (or 19264 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2001896 is about 1414.8837408070. The cubic root of 2001896 is about 126.0319059202.

Adding to 2001896 its reverse (6981002), we get a palindrome (8982898).

The spelling of 2001896 in words is "two million, one thousand, eight hundred ninety-six".