1386856318 has 8 divisors (see below), whose sum is σ = 2099726712. Its totient is φ = 686947416.

The previous prime is 1386856313. The next prime is 1386856319. The reversal of 1386856318 is 8136586831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386856313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3240105 + ... + 3240532.

It is an arithmetic number, because the mean of its divisors is an integer number (262465839).

Almost surely, 2^1386856318 is an apocalyptic number.

1386856318 is a deficient number, since it is larger than the sum of its proper divisors (712870394).

1386856318 is a wasteful number, since it uses less digits than its factorization.

1386856318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480746.

The product of its digits is 829440, while the sum is 49.

The square root of 1386856318 is about 37240.5198406252. The cubic root of 1386856318 is about 1115.1770497805.

The spelling of 1386856318 in words is "one billion, three hundred eighty-six million, eight hundred fifty-six thousand, three hundred eighteen".