9890768352 has 48 divisors (see below), whose sum is σ = 26071960320. Its totient is φ = 3283120512.

The previous prime is 9890768347. The next prime is 9890768353. The reversal of 9890768352 is 2538670989.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 9890768292 and 9890768301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890768353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192598 + ... + 238485.

It is an arithmetic number, because the mean of its divisors is an integer number (543165840).

Almost surely, 2^9890768352 is an apocalyptic number.

It is an amenable number.

9890768352 is an abundant number, since it is smaller than the sum of its proper divisors (16181191968).

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

9890768352 is a wasteful number, since it uses less digits than its factorization.

9890768352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431335 (or 431327 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 9890768352 is about 99452.3421142006. The cubic root of 9890768352 is about 2146.5615384307.

The spelling of 9890768352 in words is "nine billion, eight hundred ninety million, seven hundred sixty-eight thousand, three hundred fifty-two".