404432027 has 2 divisors, whose sum is σ = 404432028. Its totient is φ = 404432026.

The previous prime is 404432009. The next prime is 404432051. The reversal of 404432027 is 720234404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404432027 - 2⁸ = 404431771 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 404431987 and 404432005.

It is not a weakly prime, because it can be changed into another prime (404435027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202216013 + 202216014.

It is an arithmetic number, because the mean of its divisors is an integer number (202216014).

Almost surely, 2^404432027 is an apocalyptic number.

404432027 is a deficient number, since it is larger than the sum of its proper divisors (1).

404432027 is an equidigital number, since it uses as much as digits as its factorization.

404432027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 404432027 is about 20110.4954439218. The cubic root of 404432027 is about 739.5175983035.

The spelling of 404432027 in words is "four hundred four million, four hundred thirty-two thousand, twenty-seven".