404266867 has 2 divisors, whose sum is σ = 404266868. Its totient is φ = 404266866.

The previous prime is 404266831. The next prime is 404266901. The reversal of 404266867 is 768662404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404266867 - 2⁷ = 404266739 is a prime.

It is not a weakly prime, because it can be changed into another prime (404267867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202133433 + 202133434.

It is an arithmetic number, because the mean of its divisors is an integer number (202133434).

Almost surely, 2^404266867 is an apocalyptic number.

404266867 is a deficient number, since it is larger than the sum of its proper divisors (1).

404266867 is an equidigital number, since it uses as much as digits as its factorization.

404266867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 404266867 is about 20106.3887110540. The cubic root of 404266867 is about 739.4169177208.

The spelling of 404266867 in words is "four hundred four million, two hundred sixty-six thousand, eight hundred sixty-seven".