386538816 has 56 divisors (see below), whose sum is σ = 1047682944. Its totient is φ = 125701120.

The previous prime is 386538799. The next prime is 386538829. The reversal of 386538816 is 618835683.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16680 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (18708624).

Almost surely, 2^386538816 is an apocalyptic number.

It is an amenable number.

386538816 is an abundant number, since it is smaller than the sum of its proper divisors (661144128).

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

386538816 is a wasteful number, since it uses less digits than its factorization.

386538816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49159 (or 49149 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 386538816 is about 19660.5904285706. The cubic root of 386538816 is about 728.4465722003.

The spelling of 386538816 in words is "three hundred eighty-six million, five hundred thirty-eight thousand, eight hundred sixteen".