790433389 has 2 divisors, whose sum is σ = 790433390. Its totient is φ = 790433388.

The previous prime is 790433363. The next prime is 790433401. The reversal of 790433389 is 983334097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535552164 + 254881225 = 23142^2 + 15965^2 .

It is a cyclic number.

It is not a de Polignac number, because 790433389 - 2⁷ = 790433261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790433359) 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, 395216694 + 395216695.

It is an arithmetic number, because the mean of its divisors is an integer number (395216695).

Almost surely, 2^790433389 is an apocalyptic number.

It is an amenable number.

790433389 is a deficient number, since it is larger than the sum of its proper divisors (1).

790433389 is an equidigital number, since it uses as much as digits as its factorization.

790433389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 790433389 is about 28114.6472323591. The cubic root of 790433389 is about 924.6025617654.

The spelling of 790433389 in words is "seven hundred ninety million, four hundred thirty-three thousand, three hundred eighty-nine".