842383907 has 2 divisors, whose sum is σ = 842383908. Its totient is φ = 842383906.

The previous prime is 842383903. The next prime is 842383931. The reversal of 842383907 is 709383248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842383907 - 2² = 842383903 is a prime.

It is a super-2 number, since 2×842383907² = 1419221293545169298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (842383903) 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, 421191953 + 421191954.

It is an arithmetic number, because the mean of its divisors is an integer number (421191954).

Almost surely, 2^842383907 is an apocalyptic number.

842383907 is a deficient number, since it is larger than the sum of its proper divisors (1).

842383907 is an equidigital number, since it uses as much as digits as its factorization.

842383907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 842383907 is about 29023.8506576919. The cubic root of 842383907 is about 944.4305358469.

The spelling of 842383907 in words is "eight hundred forty-two million, three hundred eighty-three thousand, nine hundred seven".