420010 has 16 divisors (see below), whose sum is σ = 765576. Its totient is φ = 165888.

The previous prime is 420001. The next prime is 420029. The reversal of 420010 is 10024.

It can be written as a sum of positive squares in 4 ways, for example, as 241081 + 178929 = 491^2 + 423^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 419975 and 420002.

It is an unprimeable number.

420010 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754 + ... + 1186.

2⁴²⁰⁰¹⁰ is an apocalyptic number.

420010 is a deficient number, since it is larger than the sum of its proper divisors (345566).

420010 is a wasteful number, since it uses less digits than its factorization.

420010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 420010 is about 648.0817849624. The cubic root of 420010 is about 74.8893182224.

Adding to 420010 its reverse (10024), we get a palindrome (430034).

The spelling of 420010 in words is "four hundred twenty thousand, ten", and thus it is an iban number.