420383 has 2 divisors, whose sum is σ = 420384. Its totient is φ = 420382.

The previous prime is 420367. The next prime is 420397. The reversal of 420383 is 383024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420383 - 2⁴ = 420367 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 (420313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210191 + 210192.

It is an arithmetic number, because the mean of its divisors is an integer number (210192).

2⁴²⁰³⁸³ is an apocalyptic number.

420383 is a deficient number, since it is larger than the sum of its proper divisors (1).

420383 is an equidigital number, since it uses as much as digits as its factorization.

420383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 420383 is about 648.3694934218. The cubic root of 420383 is about 74.9114807509.

The spelling of 420383 in words is "four hundred twenty thousand, three hundred eighty-three".