396589289 has 4 divisors (see below), whose sum is σ = 398582400. Its totient is φ = 394596180.

The previous prime is 396589241. The next prime is 396589307. The reversal of 396589289 is 982985693.

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: 982985693 = 20269 ⋅48497.

It is a cyclic number.

It is not a de Polignac number, because 396589289 - 2¹² = 396585193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396585289) 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, 996257 + ... + 996654.

It is an arithmetic number, because the mean of its divisors is an integer number (99645600).

Almost surely, 2^396589289 is an apocalyptic number.

It is an amenable number.

396589289 is a deficient number, since it is larger than the sum of its proper divisors (1993111).

396589289 is a wasteful number, since it uses less digits than its factorization.

396589289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993110.

The product of its digits is 8398080, while the sum is 59.

The square root of 396589289 is about 19914.5496810749. The cubic root of 396589289 is about 734.7061246676.

The spelling of 396589289 in words is "three hundred ninety-six million, five hundred eighty-nine thousand, two hundred eighty-nine".