10003506 has 8 divisors (see below), whose sum is σ = 20007024. Its totient is φ = 3334500.

The previous prime is 10003501. The next prime is 10003517. The reversal of 10003506 is 60530001.

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

10003506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10003501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833620 + ... + 833631.

It is an arithmetic number, because the mean of its divisors is an integer number (2500878).

Almost surely, 2^10003506 is an apocalyptic number.

10003506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10003506 is a wasteful number, since it uses less digits than its factorization.

10003506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667256.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10003506 is about 3162.8319588622. The cubic root of 10003506 is about 215.4686442214.

Adding to 10003506 its reverse (60530001), we get a palindrome (70533507).

The spelling of 10003506 in words is "ten million, three thousand, five hundred six".