396230858505 has 12 divisors (see below), whose sum is σ = 686800154820. Its totient is φ = 211323124512.

The previous prime is 396230858501. The next prime is 396230858549. The reversal of 396230858505 is 505858032693.

396230858505 is a `hidden beast` number, since 3 + 9 + 623 + 0 + 8 + 5 + 8 + 5 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 176543669241 + 219687189264 = 420171^2 + 468708^2 .

It is not a de Polignac number, because 396230858505 - 2² = 396230858501 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (396230858501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4402565050 + ... + 4402565139.

It is an arithmetic number, because the mean of its divisors is an integer number (57233346235).

Almost surely, 2^396230858505 is an apocalyptic number.

It is an amenable number.

396230858505 is a deficient number, since it is larger than the sum of its proper divisors (290569296315).

396230858505 is a wasteful number, since it uses less digits than its factorization.

396230858505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805130200 (or 8805130197 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 396230858505 in words is "three hundred ninety-six billion, two hundred thirty million, eight hundred fifty-eight thousand, five hundred five".