1386888036 has 12 divisors (see below), whose sum is σ = 3236072112. Its totient is φ = 462296008.

The previous prime is 1386888029. The next prime is 1386888037. The reversal of 1386888036 is 6308886831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1386888036.

It is not an unprimeable number, because it can be changed into a prime (1386888037) 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, 57786990 + ... + 57787013.

It is an arithmetic number, because the mean of its divisors is an integer number (269672676).

Almost surely, 2^1386888036 is an apocalyptic number.

It is an amenable number.

1386888036 is an abundant number, since it is smaller than the sum of its proper divisors (1849184076).

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

1386888036 is a wasteful number, since it uses less digits than its factorization.

1386888036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115574010 (or 115574008 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 1386888036 is about 37240.9456915369. The cubic root of 1386888036 is about 1115.1855512418.

The spelling of 1386888036 in words is "one billion, three hundred eighty-six million, eight hundred eighty-eight thousand, thirty-six".