9730915 has 4 divisors (see below), whose sum is σ = 11677104. Its totient is φ = 7784728.

The previous prime is 9730913. The next prime is 9730933. The reversal of 9730915 is 5190379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5190379 = 79 ⋅65701.

It is a cyclic number.

It is not a de Polignac number, because 9730915 - 2¹ = 9730913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9730913) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 973087 + ... + 973096.

It is an arithmetic number, because the mean of its divisors is an integer number (2919276).

Almost surely, 2^9730915 is an apocalyptic number.

9730915 is a deficient number, since it is larger than the sum of its proper divisors (1946189).

9730915 is a wasteful number, since it uses less digits than its factorization.

9730915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946188.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 9730915 is about 3119.4414564149. The cubic root of 9730915 is about 213.4934521116.

The spelling of 9730915 in words is "nine million, seven hundred thirty thousand, nine hundred fifteen".