386388846 has 32 divisors (see below), whose sum is σ = 860107680. Its totient is φ = 128576448.

The previous prime is 386388839. The next prime is 386388851. The reversal of 386388846 is 648883683.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 386388792 and 386388801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27520 + ... + 39116.

It is an arithmetic number, because the mean of its divisors is an integer number (26878365).

Almost surely, 2^386388846 is an apocalyptic number.

386388846 is an abundant number, since it is smaller than the sum of its proper divisors (473718834).

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

386388846 is a wasteful number, since it uses less digits than its factorization.

386388846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225 (or 12219 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 386388846 is about 19656.7760835799. The cubic root of 386388846 is about 728.3523520260.

The spelling of 386388846 in words is "three hundred eighty-six million, three hundred eighty-eight thousand, eight hundred forty-six".