396818197704 has 24 divisors (see below), whose sum is σ = 1074715952310. Its totient is φ = 132272732544.

The previous prime is 396818197669. The next prime is 396818197751. The reversal of 396818197704 is 407791818693.

396818197704 is a `hidden beast` number, since 396 + 81 + 81 + 97 + 7 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 270501929604 + 126316268100 = 520098^2 + 355410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2755681857 + ... + 2755682000.

Almost surely, 2^396818197704 is an apocalyptic number.

It is an amenable number.

396818197704 is an abundant number, since it is smaller than the sum of its proper divisors (677897754606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396818197704 is a wasteful number, since it uses less digits than its factorization.

396818197704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511363869 (or 5511363862 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 396818197704 in words is "three hundred ninety-six billion, eight hundred eighteen million, one hundred ninety-seven thousand, seven hundred four".