426407 has 2 divisors, whose sum is σ = 426408. Its totient is φ = 426406.

The previous prime is 426401. The next prime is 426421. The reversal of 426407 is 704624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426407 - 2¹² = 422311 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426407.

It is not a weakly prime, because it can be changed into another prime (426401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213203 + 213204.

It is an arithmetic number, because the mean of its divisors is an integer number (213204).

2⁴²⁶⁴⁰⁷ is an apocalyptic number.

426407 is a deficient number, since it is larger than the sum of its proper divisors (1).

426407 is an equidigital number, since it uses as much as digits as its factorization.

426407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 426407 is about 652.9984686046. The cubic root of 426407 is about 75.2676069807.

The spelling of 426407 in words is "four hundred twenty-six thousand, four hundred seven".