420795 has 20 divisors (see below), whose sum is σ = 755040. Its totient is φ = 224208.

The previous prime is 420781. The next prime is 420799. The reversal of 420795 is 597024.

It is not a de Polignac number, because 420795 - 2⁴ = 420779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420799) 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 19 ways as a sum of consecutive naturals, for example, 115 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (37752).

2⁴²⁰⁷⁹⁵ is an apocalyptic number.

420795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420795 is a deficient number, since it is larger than the sum of its proper divisors (334245).

420795 is a wasteful number, since it uses less digits than its factorization.

420795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 420795 is about 648.6871356825. The cubic root of 420795 is about 74.9359453089.

The spelling of 420795 in words is "four hundred twenty thousand, seven hundred ninety-five".