396079239895 has 4 divisors (see below), whose sum is σ = 475295087880. Its totient is φ = 316863391912.

The previous prime is 396079239869. The next prime is 396079239911. The reversal of 396079239895 is 598932970693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 598932970693 = 107 ⋅5597504399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396079239895 is a prime.

It is a super-2 number, since 2×396079239895² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 39607923985 + ... + 39607923994.

It is an arithmetic number, because the mean of its divisors is an integer number (118823771970).

Almost surely, 2^396079239895 is an apocalyptic number.

396079239895 is a deficient number, since it is larger than the sum of its proper divisors (79215847985).

396079239895 is an equidigital number, since it uses as much as digits as its factorization.

396079239895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79215847984.

The product of its (nonzero) digits is 198404640, while the sum is 70.

The spelling of 396079239895 in words is "three hundred ninety-six billion, seventy-nine million, two hundred thirty-nine thousand, eight hundred ninety-five".