404431327 has 2 divisors, whose sum is σ = 404431328. Its totient is φ = 404431326.

The previous prime is 404431277. The next prime is 404431331. The reversal of 404431327 is 723134404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404431327 - 2¹¹ = 404429279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404431295 and 404431304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404431367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202215663 + 202215664.

It is an arithmetic number, because the mean of its divisors is an integer number (202215664).

Almost surely, 2^404431327 is an apocalyptic number.

404431327 is a deficient number, since it is larger than the sum of its proper divisors (1).

404431327 is an equidigital number, since it uses as much as digits as its factorization.

404431327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 404431327 is about 20110.4780400666. The cubic root of 404431327 is about 739.5171716454.

The spelling of 404431327 in words is "four hundred four million, four hundred thirty-one thousand, three hundred twenty-seven".