1386062885 has 4 divisors (see below), whose sum is σ = 1663275468. Its totient is φ = 1108850304.

The previous prime is 1386062879. The next prime is 1386062893. The reversal of 1386062885 is 5882606831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5882606831 = 28619 ⋅205549.

It can be written as a sum of positive squares in 2 ways, for example, as 414244609 + 971818276 = 20353^2 + 31174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1386062885 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 138606284 + ... + 138606293.

It is an arithmetic number, because the mean of its divisors is an integer number (415818867).

Almost surely, 2^1386062885 is an apocalyptic number.

It is an amenable number.

1386062885 is a deficient number, since it is larger than the sum of its proper divisors (277212583).

1386062885 is an equidigital number, since it uses as much as digits as its factorization.

1386062885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277212582.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 1386062885 is about 37229.8654980111. The cubic root of 1386062885 is about 1114.9643415973.

The spelling of 1386062885 in words is "one billion, three hundred eighty-six million, sixty-two thousand, eight hundred eighty-five".