404267 has 2 divisors, whose sum is σ = 404268. Its totient is φ = 404266.

The previous prime is 404251. The next prime is 404269. The reversal of 404267 is 762404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404267 - 2⁴ = 404251 is a prime.

Together with 404269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202133 + 202134.

It is an arithmetic number, because the mean of its divisors is an integer number (202134).

2⁴⁰⁴²⁶⁷ is an apocalyptic number.

404267 is a deficient number, since it is larger than the sum of its proper divisors (1).

404267 is an equidigital number, since it uses as much as digits as its factorization.

404267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 404267 is about 635.8199430656. The cubic root of 404267 is about 73.9416998808.

The spelling of 404267 in words is "four hundred four thousand, two hundred sixty-seven".