1386690933 has 16 divisors (see below), whose sum is σ = 1871856000. Its totient is φ = 913017600.

The previous prime is 1386690931. The next prime is 1386690947. The reversal of 1386690933 is 3390966831.

It is a happy number.

It is not a de Polignac number, because 1386690933 - 2¹ = 1386690931 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386690931) 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, 277608 + ... + 282558.

It is an arithmetic number, because the mean of its divisors is an integer number (116991000).

Almost surely, 2^1386690933 is an apocalyptic number.

It is an amenable number.

1386690933 is a deficient number, since it is larger than the sum of its proper divisors (485165067).

1386690933 is a wasteful number, since it uses less digits than its factorization.

1386690933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 1386690933 is about 37238.2992764170. The cubic root of 1386690933 is about 1115.1327190915.

The spelling of 1386690933 in words is "one billion, three hundred eighty-six million, six hundred ninety thousand, nine hundred thirty-three".