416631889 has 2 divisors, whose sum is σ = 416631890. Its totient is φ = 416631888.

The previous prime is 416631881. The next prime is 416631911. The reversal of 416631889 is 988136614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331531264 + 85100625 = 18208^2 + 9225^2 .

It is a cyclic number.

It is not a de Polignac number, because 416631889 - 2³ = 416631881 is a prime.

It is not a weakly prime, because it can be changed into another prime (416631881) 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, 208315944 + 208315945.

It is an arithmetic number, because the mean of its divisors is an integer number (208315945).

Almost surely, 2^416631889 is an apocalyptic number.

It is an amenable number.

416631889 is a deficient number, since it is larger than the sum of its proper divisors (1).

416631889 is an equidigital number, since it uses as much as digits as its factorization.

416631889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 416631889 is about 20411.5626300389. The cubic root of 416631889 is about 746.8800101413.

The spelling of 416631889 in words is "four hundred sixteen million, six hundred thirty-one thousand, eight hundred eighty-nine".