9946608390 has 24 divisors (see below), whose sum is σ = 25861182048. Its totient is φ = 2652428880.

The previous prime is 9946608349. The next prime is 9946608391. The reversal of 9946608390 is 938066499.

It is a happy number.

9946608390 is a `hidden beast` number, since 99 + 466 + 0 + 8 + 3 + 90 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946608391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55258846 + ... + 55259025.

It is an arithmetic number, because the mean of its divisors is an integer number (1077549252).

Almost surely, 2^9946608390 is an apocalyptic number.

9946608390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9946608390 is an abundant number, since it is smaller than the sum of its proper divisors (15914573658).

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

9946608390 is a wasteful number, since it uses less digits than its factorization.

9946608390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110517884 (or 110517881 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 9946608390 is about 99732.6846625518. The cubic root of 9946608390 is about 2150.5935545276.

The spelling of 9946608390 in words is "nine billion, nine hundred forty-six million, six hundred eight thousand, three hundred ninety".