393613192996 has 45 divisors (see below), whose sum is σ = 715341669861. Its totient is φ = 189510724704.

The previous prime is 393613192991. The next prime is 393613193003. The reversal of 393613192996 is 699291316393.

The square root of 393613192996 is 627386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 160648656100 + 232964536896 = 400810^2 + 482664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393613192991) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1055263066 + ... + 1055263438.

Almost surely, 2^393613192996 is an apocalyptic number.

393613192996 is the 627386-th square number.

It is an amenable number.

393613192996 is a deficient number, since it is larger than the sum of its proper divisors (321728476865).

393613192996 is an frugal number, since it uses more digits than its factorization.

393613192996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 404 counting only the distinct ones).

The product of its digits is 12754584, while the sum is 61.

The spelling of 393613192996 in words is "three hundred ninety-three billion, six hundred thirteen million, one hundred ninety-two thousand, nine hundred ninety-six".