420610 has 8 divisors (see below), whose sum is σ = 757116. Its totient is φ = 168240.

The previous prime is 420599. The next prime is 420613. The reversal of 420610 is 16024.

420610 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 385641 + 34969 = 621^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (420613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21021 + ... + 21040.

2⁴²⁰⁶¹⁰ is an apocalyptic number.

420610 is a deficient number, since it is larger than the sum of its proper divisors (336506).

420610 is a wasteful number, since it uses less digits than its factorization.

420610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42068.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 420610 is about 648.5445243004. The cubic root of 420610 is about 74.9249619860.

Adding to 420610 its reverse (16024), we get a palindrome (436634).

The spelling of 420610 in words is "four hundred twenty thousand, six hundred ten".