10003939 has 16 divisors (see below), whose sum is σ = 11758176. Its totient is φ = 8409600.

The previous prime is 10003897. The next prime is 10003943. The reversal of 10003939 is 93930001.

10003939 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10003939 - 2¹¹ = 10001891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10003999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10969 + ... + 11845.

It is an arithmetic number, because the mean of its divisors is an integer number (734886).

Almost surely, 2^10003939 is an apocalyptic number.

10003939 is a deficient number, since it is larger than the sum of its proper divisors (1754237).

10003939 is a wasteful number, since it uses less digits than its factorization.

10003939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 10003939 is about 3162.9004094344. The cubic root of 10003939 is about 215.4717530173.

The spelling of 10003939 in words is "ten million, three thousand, nine hundred thirty-nine".