2021334 has 64 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 511488.

The previous prime is 2021333. The next prime is 2021339. The reversal of 2021334 is 4331202.

It is a super-2 number, since 2×2021334² = 8171582279112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13492 + ... + 13640.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^2021334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592000).

2021334 is an abundant number, since it is smaller than the sum of its proper divisors (3162666).

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

2021334 is a wasteful number, since it uses less digits than its factorization.

2021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021334 is about 1421.7362624622. The cubic root of 2021334 is about 126.4385074019.

Adding to 2021334 its reverse (4331202), we get a palindrome (6352536).

The spelling of 2021334 in words is "two million, twenty-one thousand, three hundred thirty-four".