1386854643 has 16 divisors (see below), whose sum is σ = 1896201216. Its totient is φ = 901085760.

The previous prime is 1386854603. The next prime is 1386854653. The reversal of 1386854643 is 3464586831.

It is not a de Polignac number, because 1386854643 - 2¹⁰ = 1386853619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386854592 and 1386854601.

It is not an unprimeable number, because it can be changed into a prime (1386854603) by changing a digit.

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, 125446 + ... + 136052.

It is an arithmetic number, because the mean of its divisors is an integer number (118512576).

Almost surely, 2^1386854643 is an apocalyptic number.

1386854643 is a deficient number, since it is larger than the sum of its proper divisors (509346573).

1386854643 is a wasteful number, since it uses less digits than its factorization.

1386854643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714.

The product of its digits is 1658880, while the sum is 48.

The square root of 1386854643 is about 37240.4973516735. The cubic root of 1386854643 is about 1115.1766008221.

The spelling of 1386854643 in words is "one billion, three hundred eighty-six million, eight hundred fifty-four thousand, six hundred forty-three".