394811097396 has 24 divisors (see below), whose sum is σ = 923072052000. Its totient is φ = 131339962272.

The previous prime is 394811097391. The next prime is 394811097413. The reversal of 394811097396 is 693790118493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394811097391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32960871 + ... + 32972846.

It is an arithmetic number, because the mean of its divisors is an integer number (38461335500).

Almost surely, 2^394811097396 is an apocalyptic number.

It is an amenable number.

394811097396 is an abundant number, since it is smaller than the sum of its proper divisors (528260954604).

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

394811097396 is a wasteful number, since it uses less digits than its factorization.

394811097396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65934223 (or 65934221 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 394811097396 in words is "three hundred ninety-four billion, eight hundred eleven million, ninety-seven thousand, three hundred ninety-six".