1386473385 has 32 divisors (see below), whose sum is σ = 2423986560. Its totient is φ = 671129600.

The previous prime is 1386473371. The next prime is 1386473399. The reversal of 1386473385 is 5833746831.

It is an interprime number because it is at equal distance from previous prime (1386473371) and next prime (1386473399).

It is not a de Polignac number, because 1386473385 - 2⁶ = 1386473321 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 99211 + ... + 112319.

It is an arithmetic number, because the mean of its divisors is an integer number (75749580).

Almost surely, 2^1386473385 is an apocalyptic number.

1386473385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1386473385 is a deficient number, since it is larger than the sum of its proper divisors (1037513175).

1386473385 is a wasteful number, since it uses less digits than its factorization.

1386473385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13769.

The product of its digits is 1451520, while the sum is 48.

The square root of 1386473385 is about 37235.3781369278. The cubic root of 1386473385 is about 1115.0744009822.

The spelling of 1386473385 in words is "one billion, three hundred eighty-six million, four hundred seventy-three thousand, three hundred eighty-five".