386538818 has 8 divisors (see below), whose sum is σ = 584234640. Its totient is φ = 191793940.

The previous prime is 386538799. The next prime is 386538829. The reversal of 386538818 is 818835683.

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

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, 737408 + ... + 737931.

It is an arithmetic number, because the mean of its divisors is an integer number (73029330).

Almost surely, 2^386538818 is an apocalyptic number.

386538818 is a deficient number, since it is larger than the sum of its proper divisors (197695822).

386538818 is a wasteful number, since it uses less digits than its factorization.

386538818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475472.

The product of its digits is 1105920, while the sum is 50.

The square root of 386538818 is about 19660.5904794337. The cubic root of 386538818 is about 728.4465734566.

The spelling of 386538818 in words is "three hundred eighty-six million, five hundred thirty-eight thousand, eight hundred eighteen".