9839946148 has 6 divisors (see below), whose sum is σ = 17219905766. Its totient is φ = 4919973072.

The previous prime is 9839946101. The next prime is 9839946209. The reversal of 9839946148 is 8416499389.

It can be written as a sum of positive squares in only one way, i.e., 8768824164 + 1071121984 = 93642^2 + 32728^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229993265 + ... + 1229993272.

Almost surely, 2^9839946148 is an apocalyptic number.

It is an amenable number.

9839946148 is a deficient number, since it is larger than the sum of its proper divisors (7379959618).

9839946148 is a wasteful number, since it uses less digits than its factorization.

9839946148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459986541 (or 2459986539 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 61.

The square root of 9839946148 is about 99196.5027004481. The cubic root of 9839946148 is about 2142.8786302108.

The spelling of 9839946148 in words is "nine billion, eight hundred thirty-nine million, nine hundred forty-six thousand, one hundred forty-eight".