10421844 has 12 divisors (see below), whose sum is σ = 24317664. Its totient is φ = 3473944.

The previous prime is 10421837. The next prime is 10421863. The reversal of 10421844 is 44812401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10421844² = 217229664720672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434232 + ... + 434255.

It is an arithmetic number, because the mean of its divisors is an integer number (2026472).

Almost surely, 2^10421844 is an apocalyptic number.

It is an amenable number.

10421844 is an abundant number, since it is smaller than the sum of its proper divisors (13895820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421844 is a wasteful number, since it uses less digits than its factorization.

10421844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868494 (or 868492 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 10421844 is about 3228.2880912335. The cubic root of 10421844 is about 218.4312927293.

The spelling of 10421844 in words is "ten million, four hundred twenty-one thousand, eight hundred forty-four".