399385112236 has 24 divisors (see below), whose sum is σ = 763670880000. Its totient is φ = 181250974800.

The previous prime is 399385112233. The next prime is 399385112257. The reversal of 399385112236 is 632211583993.

It is not an unprimeable number, because it can be changed into a prime (399385112233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7164736 + ... + 7220263.

It is an arithmetic number, because the mean of its divisors is an integer number (31819620000).

Almost surely, 2^399385112236 is an apocalyptic number.

It is an amenable number.

399385112236 is a deficient number, since it is larger than the sum of its proper divisors (364285767764).

399385112236 is a wasteful number, since it uses less digits than its factorization.

399385112236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14385645 (or 14385643 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The spelling of 399385112236 in words is "three hundred ninety-nine billion, three hundred eighty-five million, one hundred twelve thousand, two hundred thirty-six".