906039983 has 2 divisors, whose sum is σ = 906039984. Its totient is φ = 906039982.

The previous prime is 906039977. The next prime is 906040013. The reversal of 906039983 is 389930609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 906039983 - 2²⁰ = 904991407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906039913) 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, 453019991 + 453019992.

It is an arithmetic number, because the mean of its divisors is an integer number (453019992).

Almost surely, 2^906039983 is an apocalyptic number.

906039983 is a deficient number, since it is larger than the sum of its proper divisors (1).

906039983 is an equidigital number, since it uses as much as digits as its factorization.

906039983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 906039983 is about 30100.4980523579. The cubic root of 906039983 is about 967.6444003679.

The spelling of 906039983 in words is "nine hundred six million, thirty-nine thousand, nine hundred eighty-three".