10640304 has 60 divisors (see below), whose sum is σ = 31353400. Its totient is φ = 3359232.

The previous prime is 10640299. The next prime is 10640309. The reversal of 10640304 is 40304601.

It is an interprime number because it is at equal distance from previous prime (10640299) and next prime (10640309).

It is a super-2 number, since 2×10640304² = 226432138424832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10640309) 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 11 ways as a sum of consecutive naturals, for example, 792 + ... + 4680.

Almost surely, 2^10640304 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 10640304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676700).

10640304 is an abundant number, since it is smaller than the sum of its proper divisors (20713096).

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

10640304 is a wasteful number, since it uses less digits than its factorization.

10640304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 10640304 is about 3261.9478843170. The cubic root of 10640304 is about 219.9469844705.

Adding to 10640304 its reverse (40304601), we get a palindrome (50944905).

The spelling of 10640304 in words is "ten million, six hundred forty thousand, three hundred four".