420356 has 12 divisors (see below), whose sum is σ = 774480. Its totient is φ = 199080.

The previous prime is 420353. The next prime is 420361. The reversal of 420356 is 653024.

420356 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (64540).

2⁴²⁰³⁵⁶ is an apocalyptic number.

It is an amenable number.

420356 is a deficient number, since it is larger than the sum of its proper divisors (354124).

420356 is a wasteful number, since it uses less digits than its factorization.

420356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554 (or 5552 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 420356 is about 648.3486716266. The cubic root of 420356 is about 74.9098769330.

The spelling of 420356 in words is "four hundred twenty thousand, three hundred fifty-six".