10521344 has 36 divisors (see below), whose sum is σ = 21327096. Its totient is φ = 5179392.

The previous prime is 10521331. The next prime is 10521359. The reversal of 10521344 is 44312501.

It is a super-2 number, since 2×10521344² = 221397359132672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18407 + ... + 18969.

Almost surely, 2^10521344 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 10521344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10663548).

10521344 is an abundant number, since it is smaller than the sum of its proper divisors (10805752).

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

10521344 is an frugal number, since it uses more digits than its factorization.

10521344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10521344 is about 3243.6621279042. The cubic root of 10521344 is about 219.1242318984.

Adding to 10521344 its reverse (44312501), we get a palindrome (54833845).

The spelling of 10521344 in words is "ten million, five hundred twenty-one thousand, three hundred forty-four".