9619906386 has 16 divisors (see below), whose sum is σ = 19240794144. Its totient is φ = 3206471904.

The previous prime is 9619906381. The next prime is 9619906403. The reversal of 9619906386 is 6836099169.

9619906386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9619906381) 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 7 ways as a sum of consecutive naturals, for example, 171030 + ... + 220206.

It is an arithmetic number, because the mean of its divisors is an integer number (1202549634).

Almost surely, 2^9619906386 is an apocalyptic number.

9619906386 is an abundant number, since it is smaller than the sum of its proper divisors (9620887758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9619906386 is a wasteful number, since it uses less digits than its factorization.

9619906386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81785.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 9619906386 is about 98081.1214556604. The cubic root of 9619906386 is about 2126.7851305306.

The spelling of 9619906386 in words is "nine billion, six hundred nineteen million, nine hundred six thousand, three hundred eighty-six".