1386217846 has 16 divisors (see below), whose sum is σ = 2357132400. Its totient is φ = 606119328.

The previous prime is 1386217823. The next prime is 1386217853. The reversal of 1386217846 is 6487126831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1386217796 and 1386217805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402561 + ... + 1403548.

It is an arithmetic number, because the mean of its divisors is an integer number (147320775).

Almost surely, 2^1386217846 is an apocalyptic number.

1386217846 is a deficient number, since it is larger than the sum of its proper divisors (970914554).

1386217846 is a wasteful number, since it uses less digits than its factorization.

1386217846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806143.

The product of its digits is 387072, while the sum is 46.

The square root of 1386217846 is about 37231.9465781740. The cubic root of 1386217846 is about 1115.0058908307.

The spelling of 1386217846 in words is "one billion, three hundred eighty-six million, two hundred seventeen thousand, eight hundred forty-six".