359999989 has 2 divisors, whose sum is σ = 359999990. Its totient is φ = 359999988.

The previous prime is 359999977. The next prime is 360000019. The reversal of 359999989 is 989999953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336428964 + 23571025 = 18342^2 + 4855^2 .

It is a cyclic number.

It is not a de Polignac number, because 359999989 - 2⁵ = 359999957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (359999929) 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, 179999994 + 179999995.

It is an arithmetic number, because the mean of its divisors is an integer number (179999995).

Almost surely, 2^359999989 is an apocalyptic number.

It is an amenable number.

359999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

359999989 is an equidigital number, since it uses as much as digits as its factorization.

359999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63772920, while the sum is 70.

The square root of 359999989 is about 18973.6656711348. The cubic root of 359999989 is about 711.3786536525.

The spelling of 359999989 in words is "three hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".