2001238 has 4 divisors (see below), whose sum is σ = 3001860. Its totient is φ = 1000618.

The previous prime is 2001229. The next prime is 2001247. The reversal of 2001238 is 8321002.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2001229) and next prime (2001247).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500308 + ... + 500311.

It is an arithmetic number, because the mean of its divisors is an integer number (750465).

2^2001238 is an apocalyptic number.

2001238 is a deficient number, since it is larger than the sum of its proper divisors (1000622).

2001238 is a wasteful number, since it uses less digits than its factorization.

2001238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000621.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2001238 is about 1414.6511937577. The cubic root of 2001238 is about 126.0180959984.

The spelling of 2001238 in words is "two million, one thousand, two hundred thirty-eight".