396974230885 has 8 divisors (see below), whose sum is σ = 476924938776. Its totient is φ = 317208810240.

The previous prime is 396974230871. The next prime is 396974230931. The reversal of 396974230885 is 588032479693.

It can be written as a sum of positive squares in 4 ways, for example, as 146375873281 + 250598357604 = 382591^2 + 500598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 396974230885 - 2⁵ = 396974230853 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 7 ways as a sum of consecutive naturals, for example, 46317096 + ... + 46325665.

It is an arithmetic number, because the mean of its divisors is an integer number (59615617347).

Almost surely, 2^396974230885 is an apocalyptic number.

It is an amenable number.

396974230885 is a deficient number, since it is larger than the sum of its proper divisors (79950707891).

396974230885 is an equidigital number, since it uses as much as digits as its factorization.

396974230885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92643623.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 396974230885 in words is "three hundred ninety-six billion, nine hundred seventy-four million, two hundred thirty thousand, eight hundred eighty-five".