10808939 has 2 divisors, whose sum is σ = 10808940. Its totient is φ = 10808938.

The previous prime is 10808927. The next prime is 10808947. The reversal of 10808939 is 93980801.

It is a strong prime.

It is an emirp because it is prime and its reverse (93980801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10808939 is a prime.

It is not a weakly prime, because it can be changed into another prime (10808999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404469 + 5404470.

It is an arithmetic number, because the mean of its divisors is an integer number (5404470).

Almost surely, 2^10808939 is an apocalyptic number.

10808939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10808939 is an equidigital number, since it uses as much as digits as its factorization.

10808939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 10808939 is about 3287.6950892685. The cubic root of 10808939 is about 221.1028574667.

The spelling of 10808939 in words is "ten million, eight hundred eight thousand, nine hundred thirty-nine".