39983903 has 2 divisors, whose sum is σ = 39983904. Its totient is φ = 39983902.

The previous prime is 39983869. The next prime is 39983917. The reversal of 39983903 is 30938993.

39983903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39983903 - 2¹⁴ = 39967519 is a prime.

It is a super-2 number, since 2×39983903² = 3197424998226818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39988903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19991951 + 19991952.

It is an arithmetic number, because the mean of its divisors is an integer number (19991952).

Almost surely, 2^39983903 is an apocalyptic number.

39983903 is a deficient number, since it is larger than the sum of its proper divisors (1).

39983903 is an equidigital number, since it uses as much as digits as its factorization.

39983903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 39983903 is about 6323.2826126941. The cubic root of 39983903 is about 341.9493073754.

The spelling of 39983903 in words is "thirty-nine million, nine hundred eighty-three thousand, nine hundred three".