396079289 has 4 divisors (see below), whose sum is σ = 396773520. Its totient is φ = 395385060.

The previous prime is 396079279. The next prime is 396079291. The reversal of 396079289 is 982970693.

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: 982970693 = 79 ⋅12442667.

It is a cyclic number.

It is not a de Polignac number, because 396079289 - 2⁴ = 396079273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 396079289.

It is not an unprimeable number, because it can be changed into a prime (396079279) 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, 346259 + ... + 347400.

It is an arithmetic number, because the mean of its divisors is an integer number (99193380).

Almost surely, 2^396079289 is an apocalyptic number.

It is an amenable number.

396079289 is a deficient number, since it is larger than the sum of its proper divisors (694231).

396079289 is an equidigital number, since it uses as much as digits as its factorization.

396079289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694230.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 396079289 is about 19901.7408535032. The cubic root of 396079289 is about 734.3910540845.

The spelling of 396079289 in words is "three hundred ninety-six million, seventy-nine thousand, two hundred eighty-nine".