2021286 has 32 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 633600.

The previous prime is 2021251. The next prime is 2021291. The reversal of 2021286 is 6821202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13311 + ... + 13461.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2^2021286 is an apocalyptic number.

2021286 is an abundant number, since it is smaller than the sum of its proper divisors (2268762).

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

2021286 is a wasteful number, since it uses less digits than its factorization.

2021286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2021286 is about 1421.7193815940. The cubic root of 2021286 is about 126.4375065618.

Adding to 2021286 its reverse (6821202), we get a palindrome (8842488).

The spelling of 2021286 in words is "two million, twenty-one thousand, two hundred eighty-six".