420536 has 8 divisors (see below), whose sum is σ = 788520. Its totient is φ = 210264.

The previous prime is 420521. The next prime is 420551. The reversal of 420536 is 635024.

420536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (420521) and next prime (420551).

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 4⁸ + 2¹⁷ + 5³ + 0 + 3¹¹ + 6⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26276 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (98565).

2⁴²⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

420536 is a deficient number, since it is larger than the sum of its proper divisors (367984).

420536 is a wasteful number, since it uses less digits than its factorization.

420536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52573 (or 52569 counting only the distinct ones).

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

The square root of 420536 is about 648.4874709661. The cubic root of 420536 is about 74.9205677551.

The spelling of 420536 in words is "four hundred twenty thousand, five hundred thirty-six".