10643328 has 48 divisors (see below), whose sum is σ = 30630600. Its totient is φ = 3547392.

The previous prime is 10643267. The next prime is 10643329. The reversal of 10643328 is 82334601.

It is a happy number.

10643328 is a `hidden beast` number, since 10 + 643 + 3 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×10643328² = 226560861831168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3468 + ... + 5771.

Almost surely, 2^10643328 is an apocalyptic number.

10643328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10643328 is an abundant number, since it is smaller than the sum of its proper divisors (19987272).

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

10643328 is an equidigital number, since it uses as much as digits as its factorization.

10643328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 10643328 is about 3262.4113781067. The cubic root of 10643328 is about 219.9678189843.

Adding to 10643328 its reverse (82334601), we get a palindrome (92977929).

It can be divided in two parts, 106 and 43328, that added together give a palindrome (43434).

The spelling of 10643328 in words is "ten million, six hundred forty-three thousand, three hundred twenty-eight".