1386165084 has 48 divisors (see below), whose sum is σ = 3351129600. Its totient is φ = 445427136.

The previous prime is 1386165019. The next prime is 1386165149. The reversal of 1386165084 is 4805616831.

It is an interprime number because it is at equal distance from previous prime (1386165019) and next prime (1386165149).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250257 + ... + 255735.

It is an arithmetic number, because the mean of its divisors is an integer number (69815200).

Almost surely, 2^1386165084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386165084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675564800).

1386165084 is an abundant number, since it is smaller than the sum of its proper divisors (1964964516).

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

1386165084 is a wasteful number, since it uses less digits than its factorization.

1386165084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6240 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1386165084 is about 37231.2380132598. The cubic root of 1386165084 is about 1114.9917442598.

The spelling of 1386165084 in words is "one billion, three hundred eighty-six million, one hundred sixty-five thousand, eighty-four".