42884983 has 2 divisors, whose sum is σ = 42884984. Its totient is φ = 42884982.

The previous prime is 42884921. The next prime is 42884993. The reversal of 42884983 is 38948824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42884983 - 2²⁵ = 9330551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42884993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21442491 + 21442492.

It is an arithmetic number, because the mean of its divisors is an integer number (21442492).

Almost surely, 2^42884983 is an apocalyptic number.

42884983 is a deficient number, since it is larger than the sum of its proper divisors (1).

42884983 is an equidigital number, since it uses as much as digits as its factorization.

42884983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 42884983 is about 6548.6626879081. The cubic root of 42884983 is about 350.0271625178.

The spelling of 42884983 in words is "forty-two million, eight hundred eighty-four thousand, nine hundred eighty-three".