426844907 has 2 divisors, whose sum is σ = 426844908. Its totient is φ = 426844906.

The previous prime is 426844903. The next prime is 426844927. The reversal of 426844907 is 709448624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426844907 - 2² = 426844903 is a prime.

It is a super-3 number, since 3×426844907³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426844903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213422453 + 213422454.

It is an arithmetic number, because the mean of its divisors is an integer number (213422454).

Almost surely, 2^426844907 is an apocalyptic number.

426844907 is a deficient number, since it is larger than the sum of its proper divisors (1).

426844907 is an equidigital number, since it uses as much as digits as its factorization.

426844907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 426844907 is about 20660.2252407857. The cubic root of 426844907 is about 752.9336401200.

The spelling of 426844907 in words is "four hundred twenty-six million, eight hundred forty-four thousand, nine hundred seven".