2001338 has 4 divisors (see below), whose sum is σ = 3002010. Its totient is φ = 1000668.

The previous prime is 2001331. The next prime is 2001347. The reversal of 2001338 is 8331002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 49729 = 1397^2 + 223^2 .

It is not an unprimeable number, because it can be changed into a prime (2001331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500333 + ... + 500336.

2^2001338 is an apocalyptic number.

2001338 is a deficient number, since it is larger than the sum of its proper divisors (1000672).

2001338 is a wasteful number, since it uses less digits than its factorization.

2001338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000671.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2001338 is about 1414.6865377178. The cubic root of 2001338 is about 126.0201949658.

The spelling of 2001338 in words is "two million, one thousand, three hundred thirty-eight".