1086385639 has 2 divisors, whose sum is σ = 1086385640. Its totient is φ = 1086385638.

The previous prime is 1086385633. The next prime is 1086385649. The reversal of 1086385639 is 9365836801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1086385639 - 2²¹ = 1084288487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1086385592 and 1086385601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086385633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543192819 + 543192820.

It is an arithmetic number, because the mean of its divisors is an integer number (543192820).

Almost surely, 2^1086385639 is an apocalyptic number.

1086385639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086385639 is an equidigital number, since it uses as much as digits as its factorization.

1086385639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1086385639 is about 32960.3646672788. The cubic root of 1086385639 is about 1028.0036863282.

The spelling of 1086385639 in words is "one billion, eighty-six million, three hundred eighty-five thousand, six hundred thirty-nine".