421460 has 24 divisors (see below), whose sum is σ = 953736. Its totient is φ = 155520.

The previous prime is 421459. The next prime is 421469. The reversal of 421460 is 64124.

421460 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 4 ways, for example, as 29584 + 391876 = 172^2 + 626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421469) 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, 551 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (39739).

2⁴²¹⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

421460 is an abundant number, since it is smaller than the sum of its proper divisors (532276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421460 is a wasteful number, since it uses less digits than its factorization.

421460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 421460 is about 649.1995070855. The cubic root of 421460 is about 74.9753993391.

Adding to 421460 its reverse (64124), we get a palindrome (485584).

The spelling of 421460 in words is "four hundred twenty-one thousand, four hundred sixty".