404111207 has 2 divisors, whose sum is σ = 404111208. Its totient is φ = 404111206.

The previous prime is 404111189. The next prime is 404111243. The reversal of 404111207 is 702111404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404111207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404111107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202055603 + 202055604.

It is an arithmetic number, because the mean of its divisors is an integer number (202055604).

Almost surely, 2^404111207 is an apocalyptic number.

404111207 is a deficient number, since it is larger than the sum of its proper divisors (1).

404111207 is an equidigital number, since it uses as much as digits as its factorization.

404111207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 404111207 is about 20102.5174294166. The cubic root of 404111207 is about 739.3220031792.

The spelling of 404111207 in words is "four hundred four million, one hundred eleven thousand, two hundred seven".