421010 has 8 divisors (see below), whose sum is σ = 757836. Its totient is φ = 168400.

The previous prime is 421009. The next prime is 421019. The reversal of 421010 is 10124.

It can be written as a sum of positive squares in 2 ways, for example, as 418609 + 2401 = 647^2 + 49^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421019) 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, 21041 + ... + 21060.

2⁴²¹⁰¹⁰ is an apocalyptic number.

421010 is a deficient number, since it is larger than the sum of its proper divisors (336826).

421010 is a wasteful number, since it uses less digits than its factorization.

421010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42108.

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

The square root of 421010 is about 648.8528338537. The cubic root of 421010 is about 74.9487056673.

Adding to 421010 its reverse (10124), we get a palindrome (431134).

The spelling of 421010 in words is "four hundred twenty-one thousand, ten", and thus it is an iban number.