421485 has 8 divisors (see below), whose sum is σ = 674400. Its totient is φ = 224784.

The previous prime is 421483. The next prime is 421493. The reversal of 421485 is 584124.

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

It is not a de Polignac number, because 421485 - 2¹ = 421483 is a prime.

421485 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14035 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (84300).

2⁴²¹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

421485 is a deficient number, since it is larger than the sum of its proper divisors (252915).

421485 is a wasteful number, since it uses less digits than its factorization.

421485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107.

The product of its digits is 1280, while the sum is 24.

The square root of 421485 is about 649.2187612816. The cubic root of 421485 is about 74.9768817636.

The spelling of 421485 in words is "four hundred twenty-one thousand, four hundred eighty-five".