1386853836 has 12 divisors (see below), whose sum is σ = 3235992312. Its totient is φ = 462284608.

The previous prime is 1386853817. The next prime is 1386853847. The reversal of 1386853836 is 6383586831.

It is a tau number, because it is divible by the number of its divisors (12).

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, 57785565 + ... + 57785588.

It is an arithmetic number, because the mean of its divisors is an integer number (269666026).

Almost surely, 2^1386853836 is an apocalyptic number.

It is an amenable number.

1386853836 is an abundant number, since it is smaller than the sum of its proper divisors (1849138476).

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

1386853836 is a wasteful number, since it uses less digits than its factorization.

1386853836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115571160 (or 115571158 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 1386853836 is about 37240.4865166931. The cubic root of 1386853836 is about 1115.1763845178.

The spelling of 1386853836 in words is "one billion, three hundred eighty-six million, eight hundred fifty-three thousand, eight hundred thirty-six".