396000005 has 4 divisors (see below), whose sum is σ = 475200012. Its totient is φ = 316800000.

The previous prime is 395999987. The next prime is 396000037. The reversal of 396000005 is 500000693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 265103524 + 130896481 = 16282^2 + 11441^2 .

It is not a de Polignac number, because 396000005 - 2⁸ = 395999749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39599996 + ... + 39600005.

It is an arithmetic number, because the mean of its divisors is an integer number (118800003).

Almost surely, 2^396000005 is an apocalyptic number.

It is an amenable number.

396000005 is a deficient number, since it is larger than the sum of its proper divisors (79200007).

396000005 is an equidigital number, since it uses as much as digits as its factorization.

396000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79200006.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 396000005 is about 19899.7488677621. The cubic root of 396000005 is about 734.3420492957.

Adding to 396000005 its reverse (500000693), we get a palindrome (896000698).

The spelling of 396000005 in words is "three hundred ninety-six million, five", and thus it is an aban number.