9340989660 has 480 divisors, whose sum is σ = 32536183680. Its totient is φ = 2233516032.

The previous prime is 9340989659. The next prime is 9340989731. The reversal of 9340989660 is 669890439.

It is a happy number.

9340989660 is a `hidden beast` number, since 93 + 409 + 8 + 96 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9340989597 and 9340989606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 90689169 + ... + 90689271.

It is an arithmetic number, because the mean of its divisors is an integer number (67783716).

Almost surely, 2^9340989660 is an apocalyptic number.

9340989660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9340989660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16268091840).

9340989660 is an abundant number, since it is smaller than the sum of its proper divisors (23195194020).

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

9340989660 is a wasteful number, since it uses less digits than its factorization.

9340989660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 256 counting only the distinct ones).

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

The square root of 9340989660 is about 96648.7954399847. The cubic root of 9340989660 is about 2106.0287574908.

The spelling of 9340989660 in words is "nine billion, three hundred forty million, nine hundred eighty-nine thousand, six hundred sixty".