420268 has 12 divisors (see below), whose sum is σ = 761040. Its totient is φ = 202832.

The previous prime is 420263. The next prime is 420269. The reversal of 420268 is 862024.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (420263) 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, 1696 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (63420).

2⁴²⁰²⁶⁸ is an apocalyptic number.

It is an amenable number.

420268 is a deficient number, since it is larger than the sum of its proper divisors (340772).

420268 is a wasteful number, since it uses less digits than its factorization.

420268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 420268 is about 648.2808033561. The cubic root of 420268 is about 74.9046491981.

The spelling of 420268 in words is "four hundred twenty thousand, two hundred sixty-eight".