1386580671 has 24 divisors (see below), whose sum is σ = 2290089984. Its totient is φ = 791940240.

The previous prime is 1386580649. The next prime is 1386580693. The reversal of 1386580671 is 1760856831.

1386580671 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 580 + 67 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1386580649) and next prime (1386580693).

It is not a de Polignac number, because 1386580671 - 2¹⁴ = 1386564287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386580631) 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 23 ways as a sum of consecutive naturals, for example, 165186 + ... + 173376.

It is an arithmetic number, because the mean of its divisors is an integer number (95420416).

Almost surely, 2^1386580671 is an apocalyptic number.

1386580671 is a deficient number, since it is larger than the sum of its proper divisors (903509313).

1386580671 is a wasteful number, since it uses less digits than its factorization.

1386580671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891 (or 10888 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1386580671 is about 37236.8187550978. The cubic root of 1386580671 is about 1115.1031619109.

The spelling of 1386580671 in words is "one billion, three hundred eighty-six million, five hundred eighty thousand, six hundred seventy-one".