1389853386 has 12 divisors (see below), whose sum is σ = 3011349042. Its totient is φ = 463284456.

The previous prime is 1389853379. The next prime is 1389853393. The reversal of 1389853386 is 6833589831.

It is a happy number.

1389853386 is a `hidden beast` number, since 13 + 8 + 98 + 533 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1389853379) and next prime (1389853393).

It can be written as a sum of positive squares in only one way, i.e., 1299242025 + 90611361 = 36045^2 + 9519^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38607021 + ... + 38607056.

Almost surely, 2^1389853386 is an apocalyptic number.

1389853386 is an abundant number, since it is smaller than the sum of its proper divisors (1621495656).

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

1389853386 is a wasteful number, since it uses less digits than its factorization.

1389853386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214085 (or 77214082 counting only the distinct ones).

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

The square root of 1389853386 is about 37280.7374658818. The cubic root of 1389853386 is about 1115.9797901686.

The spelling of 1389853386 in words is "one billion, three hundred eighty-nine million, eight hundred fifty-three thousand, three hundred eighty-six".