9819947346 has 64 divisors (see below), whose sum is σ = 23330764800. Its totient is φ = 2721902400.

The previous prime is 9819947341. The next prime is 9819947353. The reversal of 9819947346 is 6437499189.

It is a self number, because there is not a number n which added to its sum of digits gives 9819947346.

It is not an unprimeable number, because it can be changed into a prime (9819947341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98650 + ... + 171381.

It is an arithmetic number, because the mean of its divisors is an integer number (364543200).

Almost surely, 2^9819947346 is an apocalyptic number.

9819947346 is an abundant number, since it is smaller than the sum of its proper divisors (13510817454).

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

9819947346 is a wasteful number, since it uses less digits than its factorization.

9819947346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270095.

The product of its digits is 11757312, while the sum is 60.

The square root of 9819947346 is about 99095.6474624390. The cubic root of 9819947346 is about 2141.4259098201.

The spelling of 9819947346 in words is "nine billion, eight hundred nineteen million, nine hundred forty-seven thousand, three hundred forty-six".