359393989 has 4 divisors (see below), whose sum is σ = 363943360. Its totient is φ = 354844620.

The previous prime is 359393981. The next prime is 359394001. The reversal of 359393989 is 989393953.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989393953 = 61 ⋅16219573.

It is a cyclic number.

It is not a de Polignac number, because 359393989 - 2³ = 359393981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (359393981) 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 in 3 ways as a sum of consecutive naturals, for example, 2274567 + ... + 2274724.

It is an arithmetic number, because the mean of its divisors is an integer number (90985840).

Almost surely, 2^359393989 is an apocalyptic number.

It is an amenable number.

359393989 is a deficient number, since it is larger than the sum of its proper divisors (4549371).

359393989 is an equidigital number, since it uses as much as digits as its factorization.

359393989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549370.

The product of its digits is 7085880, while the sum is 58.

The square root of 359393989 is about 18957.6894425455. The cubic root of 359393989 is about 710.9792669893.

The spelling of 359393989 in words is "three hundred fifty-nine million, three hundred ninety-three thousand, nine hundred eighty-nine".