385393081646 has 8 divisors (see below), whose sum is σ = 578179672824. Its totient is φ = 192666524040.

The previous prime is 385393081639. The next prime is 385393081691. The reversal of 385393081646 is 646180393583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 385393081591 and 385393081600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14992340 + ... + 15018023.

It is an arithmetic number, because the mean of its divisors is an integer number (72272459103).

Almost surely, 2^385393081646 is an apocalyptic number.

385393081646 is a deficient number, since it is larger than the sum of its proper divisors (192786591178).

385393081646 is a wasteful number, since it uses less digits than its factorization.

385393081646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30016786.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 385393081646 in words is "three hundred eighty-five billion, three hundred ninety-three million, eighty-one thousand, six hundred forty-six".