404143007 has 2 divisors, whose sum is σ = 404143008. Its totient is φ = 404143006.

The previous prime is 404142941. The next prime is 404143009. The reversal of 404143007 is 700341404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404143007 - 2¹⁴ = 404126623 is a prime.

Together with 404143009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404143009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202071503 + 202071504.

It is an arithmetic number, because the mean of its divisors is an integer number (202071504).

Almost surely, 2^404143007 is an apocalyptic number.

404143007 is a deficient number, since it is larger than the sum of its proper divisors (1).

404143007 is an equidigital number, since it uses as much as digits as its factorization.

404143007 is an odious number, because the sum of its binary digits is odd.

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

The square root of 404143007 is about 20103.3083595711. The cubic root of 404143007 is about 739.3413953849.

The spelling of 404143007 in words is "four hundred four million, one hundred forty-three thousand, seven".