421268 has 24 divisors (see below), whose sum is σ = 813120. Its totient is φ = 190080.

The previous prime is 421241. The next prime is 421273. The reversal of 421268 is 862124.

421268 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

421268 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, 1628 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (33880).

2⁴²¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

421268 is a deficient number, since it is larger than the sum of its proper divisors (391852).

421268 is a wasteful number, since it uses less digits than its factorization.

421268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 421268 is about 649.0516158211. The cubic root of 421268 is about 74.9640123643.

The spelling of 421268 in words is "four hundred twenty-one thousand, two hundred sixty-eight".