396115579 has 4 divisors (see below), whose sum is σ = 396158040. Its totient is φ = 396073120.

The previous prime is 396115571. The next prime is 396115597. The reversal of 396115579 is 975511693.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 396115579 - 2³ = 396115571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396115571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469 + ... + 28150.

It is an arithmetic number, because the mean of its divisors is an integer number (99039510).

Almost surely, 2^396115579 is an apocalyptic number.

396115579 is a deficient number, since it is larger than the sum of its proper divisors (42461).

396115579 is a wasteful number, since it uses less digits than its factorization.

396115579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42460.

The product of its digits is 255150, while the sum is 46.

The square root of 396115579 is about 19902.6525619074. The cubic root of 396115579 is about 734.4134824536.

The spelling of 396115579 in words is "three hundred ninety-six million, one hundred fifteen thousand, five hundred seventy-nine".