8354021 has 16 divisors (see below), whose sum is σ = 9644544. Its totient is φ = 7167744.

The previous prime is 8353999. The next prime is 8354023. The reversal of 8354021 is 1204538.

8354021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8354021 - 2¹⁸ = 8091877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8354023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22580 + ... + 22946.

It is an arithmetic number, because the mean of its divisors is an integer number (602784).

Almost surely, 2^8354021 is an apocalyptic number.

It is an amenable number.

8354021 is a deficient number, since it is larger than the sum of its proper divisors (1290523).

8354021 is a wasteful number, since it uses less digits than its factorization.

8354021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8354021 is about 2890.3323338329. The cubic root of 8354021 is about 202.9076966371.

Adding to 8354021 its reverse (1204538), we get a palindrome (9558559).

The spelling of 8354021 in words is "eight million, three hundred fifty-four thousand, twenty-one".