1386853839 has 32 divisors (see below), whose sum is σ = 2450211840. Its totient is φ = 758029536.

The previous prime is 1386853817. The next prime is 1386853847. The reversal of 1386853839 is 9383586831.

It is a happy number.

1386853839 is a `hidden beast` number, since 13 + 8 + 68 + 538 + 39 = 666.

It is not a de Polignac number, because 1386853839 - 2⁸ = 1386853583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386853879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155172 + ... + 163865.

It is an arithmetic number, because the mean of its divisors is an integer number (76569120).

Almost surely, 2^1386853839 is an apocalyptic number.

1386853839 is a deficient number, since it is larger than the sum of its proper divisors (1063358001).

1386853839 is a wasteful number, since it uses less digits than its factorization.

1386853839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319076 (or 319070 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 1386853839 is about 37240.4865569718. The cubic root of 1386853839 is about 1115.1763853219.

The spelling of 1386853839 in words is "one billion, three hundred eighty-six million, eight hundred fifty-three thousand, eight hundred thirty-nine".