10640384 has 22 divisors (see below), whose sum is σ = 21272424. Its totient is φ = 5319680.

The previous prime is 10640381. The next prime is 10640387. The reversal of 10640384 is 48304601.

It is an interprime number because it is at equal distance from previous prime (10640381) and next prime (10640387).

It is a super-2 number, since 2×10640384² = 226435543334912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172 + ... + 6219.

Almost surely, 2^10640384 is an apocalyptic number.

It is an amenable number.

10640384 is a deficient number, since it is larger than the sum of its proper divisors (10632040).

10640384 is an equidigital number, since it uses as much as digits as its factorization.

10640384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411 (or 10393 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 10640384 is about 3261.9601469055. The cubic root of 10640384 is about 219.9475356990.

Adding to 10640384 its reverse (48304601), we get a palindrome (58944985).

The spelling of 10640384 in words is "ten million, six hundred forty thousand, three hundred eighty-four".