2021486 has 8 divisors (see below), whose sum is σ = 3191880. Its totient is φ = 957528.

The previous prime is 2021471. The next prime is 2021489. The reversal of 2021486 is 6841202.

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 (2021489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26561 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (398985).

2^2021486 is an apocalyptic number.

2021486 is a deficient number, since it is larger than the sum of its proper divisors (1170394).

2021486 is a wasteful number, since it uses less digits than its factorization.

2021486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53218.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2021486 is about 1421.7897172226. The cubic root of 2021486 is about 126.4416766243.

Adding to 2021486 its reverse (6841202), we get a palindrome (8862688).

The spelling of 2021486 in words is "two million, twenty-one thousand, four hundred eighty-six".