8254821 has 16 divisors (see below), whose sum is σ = 11462400. Its totient is φ = 5277888.

The previous prime is 8254801. The next prime is 8254837. The reversal of 8254821 is 1284528.

It is not a de Polignac number, because 8254821 - 2⁷ = 8254693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8254801) 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, 20595 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (716400).

Almost surely, 2^8254821 is an apocalyptic number.

It is an amenable number.

8254821 is a deficient number, since it is larger than the sum of its proper divisors (3207579).

8254821 is a wasteful number, since it uses less digits than its factorization.

8254821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its digits is 5120, while the sum is 30.

The square root of 8254821 is about 2873.1204290805. The cubic root of 8254821 is about 202.1013525955.

The spelling of 8254821 in words is "eight million, two hundred fifty-four thousand, eight hundred twenty-one".