404864111 has 2 divisors, whose sum is σ = 404864112. Its totient is φ = 404864110.

The previous prime is 404864087. The next prime is 404864203. The reversal of 404864111 is 111468404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404864111 - 2¹⁴ = 404847727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404864311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202432055 + 202432056.

It is an arithmetic number, because the mean of its divisors is an integer number (202432056).

Almost surely, 2^404864111 is an apocalyptic number.

404864111 is a deficient number, since it is larger than the sum of its proper divisors (1).

404864111 is an equidigital number, since it uses as much as digits as its factorization.

404864111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 404864111 is about 20121.2353248999. The cubic root of 404864111 is about 739.7808646247.

The spelling of 404864111 in words is "four hundred four million, eight hundred sixty-four thousand, one hundred eleven".