10921424 has 40 divisors (see below), whose sum is σ = 22165248. Its totient is φ = 5207040.

The previous prime is 10921423. The next prime is 10921439. The reversal of 10921424 is 42412901.

It is a self number, because there is not a number n which added to its sum of digits gives 10921424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47999 + ... + 48225.

Almost surely, 2^10921424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10921424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11082624).

10921424 is an abundant number, since it is smaller than the sum of its proper divisors (11243824).

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

10921424 is a wasteful number, since it uses less digits than its factorization.

10921424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10921424 is about 3304.7577823496. The cubic root of 10921424 is about 221.8671932451.

The spelling of 10921424 in words is "ten million, nine hundred twenty-one thousand, four hundred twenty-four".