10804421 has 4 divisors (see below), whose sum is σ = 11008332. Its totient is φ = 10600512.

The previous prime is 10804403. The next prime is 10804429. The reversal of 10804421 is 12440801.

10804421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12440801 = 19 ⋅654779.

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 7236100 = 1889^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 10804421 - 2²² = 6610117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10804393 and 10804402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10804429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101876 + ... + 101981.

It is an arithmetic number, because the mean of its divisors is an integer number (2752083).

Almost surely, 2^10804421 is an apocalyptic number.

It is an amenable number.

10804421 is a deficient number, since it is larger than the sum of its proper divisors (203911).

10804421 is an equidigital number, since it uses as much as digits as its factorization.

10804421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203910.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 10804421 is about 3287.0079099388. The cubic root of 10804421 is about 221.0720471062.

The spelling of 10804421 in words is "ten million, eight hundred four thousand, four hundred twenty-one".