10640003 has 8 divisors (see below), whose sum is σ = 11721216. Its totient is φ = 9577800.

The previous prime is 10639987. The next prime is 10640009. The reversal of 10640003 is 30004601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10640003 - 2⁴ = 10639987 is a prime.

It is a super-2 number, since 2×10640003² = 226419327680018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10640003.

It is not an unprimeable number, because it can be changed into a prime (10640009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3563 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (1465152).

Almost surely, 2^10640003 is an apocalyptic number.

10640003 is a deficient number, since it is larger than the sum of its proper divisors (1081213).

10640003 is a wasteful number, since it uses less digits than its factorization.

10640003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10640003 is about 3261.9017459145. The cubic root of 10640003 is about 219.9449104488.

Adding to 10640003 its reverse (30004601), we get a palindrome (40644604).

The spelling of 10640003 in words is "ten million, six hundred forty thousand, three".