393313213404 has 120 divisors (see below), whose sum is σ = 1049687100000. Its totient is φ = 128389242240.

The previous prime is 393313213393. The next prime is 393313213439. The reversal of 393313213404 is 404312313393.

393313213404 is a `hidden beast` number, since 3 + 9 + 3 + 31 + 3 + 213 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3370222 + ... + 3484970.

It is an arithmetic number, because the mean of its divisors is an integer number (8747392500).

Almost surely, 2^393313213404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393313213404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524843550000).

393313213404 is an abundant number, since it is smaller than the sum of its proper divisors (656373886596).

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

393313213404 is a wasteful number, since it uses less digits than its factorization.

393313213404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114985 (or 114974 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

Adding to 393313213404 its reverse (404312313393), we get a palindrome (797625526797).

The spelling of 393313213404 in words is "three hundred ninety-three billion, three hundred thirteen million, two hundred thirteen thousand, four hundred four".