10003806 has 12 divisors (see below), whose sum is σ = 21674952. Its totient is φ = 3334596.

The previous prime is 10003787. The next prime is 10003831. The reversal of 10003806 is 60830001.

10003806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10003806² = 200152268971272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 555767 = 10003806 / (1 + 0 + 0 + 0 + 3 + 8 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277866 + ... + 277901.

It is an arithmetic number, because the mean of its divisors is an integer number (1806246).

Almost surely, 2^10003806 is an apocalyptic number.

10003806 is an abundant number, since it is smaller than the sum of its proper divisors (11671146).

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

10003806 is a wasteful number, since it uses less digits than its factorization.

10003806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555775 (or 555772 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10003806 is about 3162.8793843585. The cubic root of 10003806 is about 215.4707981311.

Adding to 10003806 its reverse (60830001), we get a palindrome (70833807).

The spelling of 10003806 in words is "ten million, three thousand, eight hundred six".