10004421 has 8 divisors (see below), whose sum is σ = 15244864. Its totient is φ = 5716800.

The previous prime is 10004411. The next prime is 10004447. The reversal of 10004421 is 12440001.

10004421 is digitally balanced in base 2 and base 8, because in such bases 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 10004421 - 2¹⁵ = 9971653 is a prime.

It is a Duffinian number.

10004421 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 10004397 and 10004406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10004411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238180 + ... + 238221.

It is an arithmetic number, because the mean of its divisors is an integer number (1905608).

Almost surely, 2^10004421 is an apocalyptic number.

It is an amenable number.

10004421 is a deficient number, since it is larger than the sum of its proper divisors (5240443).

10004421 is an equidigital number, since it uses as much as digits as its factorization.

10004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476411.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10004421 is about 3162.9766044029. The cubic root of 10004421 is about 215.4752135114.

Adding to 10004421 its reverse (12440001), we get a palindrome (22444422).

The spelling of 10004421 in words is "ten million, four thousand, four hundred twenty-one".