1385319386 has 16 divisors (see below), whose sum is σ = 2345055840. Its totient is φ = 607976880.

The previous prime is 1385319373. The next prime is 1385319421. The reversal of 1385319386 is 6839135831.

It is a self number, because there is not a number n which added to its sum of digits gives 1385319386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085036 + ... + 1086311.

It is an arithmetic number, because the mean of its divisors is an integer number (146565990).

Almost surely, 2^1385319386 is an apocalyptic number.

1385319386 is a deficient number, since it is larger than the sum of its proper divisors (959736454).

1385319386 is a wasteful number, since it uses less digits than its factorization.

1385319386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171389.

The product of its digits is 466560, while the sum is 47.

The square root of 1385319386 is about 37219.8789089916. The cubic root of 1385319386 is about 1114.7649463294.

The spelling of 1385319386 in words is "one billion, three hundred eighty-five million, three hundred nineteen thousand, three hundred eighty-six".