9840340306 has 4 divisors (see below), whose sum is σ = 14760510462. Its totient is φ = 4920170152.

The previous prime is 9840340303. The next prime is 9840340313. The reversal of 9840340306 is 6030430489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7325819281 + 2514521025 = 85591^2 + 50145^2 .

It is not an unprimeable number, because it can be changed into a prime (9840340303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460085075 + ... + 2460085078.

Almost surely, 2^9840340306 is an apocalyptic number.

9840340306 is a deficient number, since it is larger than the sum of its proper divisors (4920170156).

9840340306 is a wasteful number, since it uses less digits than its factorization.

9840340306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920170155.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 9840340306 is about 99198.4894340635. The cubic root of 9840340306 is about 2142.9072422060.

The spelling of 9840340306 in words is "nine billion, eight hundred forty million, three hundred forty thousand, three hundred six".