2001286 has 8 divisors (see below), whose sum is σ = 3430800. Its totient is φ = 857688.

The previous prime is 2001281. The next prime is 2001313. The reversal of 2001286 is 6821002.

2001286 = T₃₆₄ + T₃₆₅ + ... + T₃₉₁.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71461 + ... + 71488.

It is an arithmetic number, because the mean of its divisors is an integer number (428850).

2^2001286 is an apocalyptic number.

2001286 is a deficient number, since it is larger than the sum of its proper divisors (1429514).

2001286 is a wasteful number, since it uses less digits than its factorization.

2001286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142958.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2001286 is about 1414.6681589687. The cubic root of 2001286 is about 126.0191035115.

Adding to 2001286 its reverse (6821002), we get a palindrome (8822288).

The spelling of 2001286 in words is "two million, one thousand, two hundred eighty-six".