393924996398 has 4 divisors (see below), whose sum is σ = 590887494600. Its totient is φ = 196962498198.

The previous prime is 393924996373. The next prime is 393924996401. The reversal of 393924996398 is 893699429393.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 98481249098 + ... + 98481249101.

It is an arithmetic number, because the mean of its divisors is an integer number (147721873650).

Almost surely, 2^393924996398 is an apocalyptic number.

393924996398 is a deficient number, since it is larger than the sum of its proper divisors (196962498202).

393924996398 is a wasteful number, since it uses less digits than its factorization.

393924996398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196962498201.

The product of its digits is 612220032, while the sum is 74.

The spelling of 393924996398 in words is "three hundred ninety-three billion, nine hundred twenty-four million, nine hundred ninety-six thousand, three hundred ninety-eight".