404268 has 24 divisors (see below), whose sum is σ = 960960. Its totient is φ = 132240.

The previous prime is 404267. The next prime is 404269. The reversal of 404268 is 862404.

It is an interprime number because it is at equal distance from previous prime (404267) and next prime (404269).

It is not an unprimeable number, because it can be changed into a prime (404267) 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, 423 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (40040).

2⁴⁰⁴²⁶⁸ is an apocalyptic number.

It is an amenable number.

404268 is an abundant number, since it is smaller than the sum of its proper divisors (556692).

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

404268 is a wasteful number, since it uses less digits than its factorization.

404268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 404268 is about 635.8207294513. The cubic root of 404268 is about 73.9417608484.

The spelling of 404268 in words is "four hundred four thousand, two hundred sixty-eight".