404232971 has 2 divisors, whose sum is σ = 404232972. Its totient is φ = 404232970.

The previous prime is 404232949. The next prime is 404233009. The reversal of 404232971 is 179232404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404232971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404232671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202116485 + 202116486.

It is an arithmetic number, because the mean of its divisors is an integer number (202116486).

Almost surely, 2^404232971 is an apocalyptic number.

404232971 is a deficient number, since it is larger than the sum of its proper divisors (1).

404232971 is an equidigital number, since it uses as much as digits as its factorization.

404232971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 404232971 is about 20105.5457772228. The cubic root of 404232971 is about 739.3962515236.

The spelling of 404232971 in words is "four hundred four million, two hundred thirty-two thousand, nine hundred seventy-one".