352728889 has 2 divisors, whose sum is σ = 352728890. Its totient is φ = 352728888.

The previous prime is 352728877. The next prime is 352728899. The reversal of 352728889 is 988827253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321592489 + 31136400 = 17933^2 + 5580^2 .

It is a cyclic number.

It is not a de Polignac number, because 352728889 - 2¹¹ = 352726841 is a prime.

It is not a weakly prime, because it can be changed into another prime (352728899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176364444 + 176364445.

It is an arithmetic number, because the mean of its divisors is an integer number (176364445).

Almost surely, 2^352728889 is an apocalyptic number.

It is an amenable number.

352728889 is a deficient number, since it is larger than the sum of its proper divisors (1).

352728889 is an equidigital number, since it uses as much as digits as its factorization.

352728889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The square root of 352728889 is about 18781.0779509590. The cubic root of 352728889 is about 706.5566856204.

The spelling of 352728889 in words is "three hundred fifty-two million, seven hundred twenty-eight thousand, eight hundred eighty-nine".