420335 has 4 divisors (see below), whose sum is σ = 504408. Its totient is φ = 336264.

The previous prime is 420331. The next prime is 420341. The reversal of 420335 is 533024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420335 - 2² = 420331 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420331) 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 in 3 ways as a sum of consecutive naturals, for example, 42029 + ... + 42038.

It is an arithmetic number, because the mean of its divisors is an integer number (126102).

2⁴²⁰³³⁵ is an apocalyptic number.

420335 is a deficient number, since it is larger than the sum of its proper divisors (84073).

420335 is an equidigital number, since it uses as much as digits as its factorization.

420335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84072.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 420335 is about 648.3324764347. The cubic root of 420335 is about 74.9086294716.

Adding to 420335 its reverse (533024), we get a palindrome (953359).

The spelling of 420335 in words is "four hundred twenty thousand, three hundred thirty-five".