8830421 has 12 divisors (see below), whose sum is σ = 9496044. Its totient is φ = 8208000.

The previous prime is 8830397. The next prime is 8830441. The reversal of 8830421 is 1240388.

It can be written as a sum of positive squares in 2 ways, for example, as 4774225 + 4056196 = 2185^2 + 2014^2 .

It is not a de Polignac number, because 8830421 - 2⁶ = 8830357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8830441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21821 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (791337).

Almost surely, 2^8830421 is an apocalyptic number.

It is an amenable number.

8830421 is a deficient number, since it is larger than the sum of its proper divisors (665623).

8830421 is a wasteful number, since it uses less digits than its factorization.

8830421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8830421 is about 2971.6024296665. The cubic root of 8830421 is about 206.6936509453.

The spelling of 8830421 in words is "eight million, eight hundred thirty thousand, four hundred twenty-one".