10003816 has 16 divisors (see below), whose sum is σ = 18858240. Its totient is φ = 4974960.

The previous prime is 10003787. The next prime is 10003831. The reversal of 10003816 is 61830001.

It is a junction number, because it is equal to n+sod(n) for n = 10003793 and 10003802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (1178640).

Almost surely, 2^10003816 is an apocalyptic number.

It is an amenable number.

10003816 is a deficient number, since it is larger than the sum of its proper divisors (8854424).

10003816 is a wasteful number, since it uses less digits than its factorization.

10003816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744 (or 6740 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10003816 is about 3162.8809651961. The cubic root of 10003816 is about 215.4708699273.

Adding to 10003816 its reverse (61830001), we get a palindrome (71833817).

The spelling of 10003816 in words is "ten million, three thousand, eight hundred sixteen".