10421444 has 24 divisors (see below), whose sum is σ = 19977888. Its totient is φ = 4717440.

The previous prime is 10421441. The next prime is 10421449. The reversal of 10421444 is 44412401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10421441) 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, 18779 + ... + 19325.

It is an arithmetic number, because the mean of its divisors is an integer number (832412).

Almost surely, 2^10421444 is an apocalyptic number.

It is an amenable number.

10421444 is a deficient number, since it is larger than the sum of its proper divisors (9556444).

10421444 is a wasteful number, since it uses less digits than its factorization.

10421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 10421444 is about 3228.2261382995. The cubic root of 10421444 is about 218.4284981619.

Adding to 10421444 its reverse (44412401), we get a palindrome (54833845).

The spelling of 10421444 in words is "ten million, four hundred twenty-one thousand, four hundred forty-four".