10621443 has 16 divisors (see below), whose sum is σ = 16428800. Its totient is φ = 5978016.

The previous prime is 10621441. The next prime is 10621477. The reversal of 10621443 is 34412601.

It is not a de Polignac number, because 10621443 - 2¹ = 10621441 is a prime.

It is a super-2 number, since 2×10621443² = 225630102804498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10621441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (1026800).

Almost surely, 2^10621443 is an apocalyptic number.

10621443 is a deficient number, since it is larger than the sum of its proper divisors (5807357).

10621443 is an equidigital number, since it uses as much as digits as its factorization.

10621443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 10621443 is about 3259.0555380355. The cubic root of 10621443 is about 219.8169482844.

The spelling of 10621443 in words is "ten million, six hundred twenty-one thousand, four hundred forty-three".