8262021 has 8 divisors (see below), whose sum is σ = 11095840. Its totient is φ = 5468112.

The previous prime is 8262019. The next prime is 8262031. The reversal of 8262021 is 1202628.

8262021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8262021 - 2¹ = 8262019 is a prime.

It is a Duffinian number.

8262021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8262031) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9490 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (1386980).

Almost surely, 2^8262021 is an apocalyptic number.

It is an amenable number.

8262021 is a deficient number, since it is larger than the sum of its proper divisors (2833819).

8262021 is a wasteful number, since it uses less digits than its factorization.

8262021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19955.

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

The square root of 8262021 is about 2874.3731490535. The cubic root of 8262021 is about 202.1600943045.

Adding to 8262021 its reverse (1202628), we get a palindrome (9464649).

The spelling of 8262021 in words is "eight million, two hundred sixty-two thousand, twenty-one".