9615791 has 4 divisors (see below), whose sum is σ = 9947400. Its totient is φ = 9284184.

The previous prime is 9615763. The next prime is 9615803. The reversal of 9615791 is 1975169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1975169 = 7 ⋅282167.

It is a cyclic number.

It is not a de Polignac number, because 9615791 - 2¹⁰ = 9614767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9615721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165761 + ... + 165818.

It is an arithmetic number, because the mean of its divisors is an integer number (2486850).

Almost surely, 2^9615791 is an apocalyptic number.

9615791 is a deficient number, since it is larger than the sum of its proper divisors (331609).

9615791 is a wasteful number, since it uses less digits than its factorization.

9615791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331608.

The product of its digits is 17010, while the sum is 38.

The square root of 9615791 is about 3100.9338915881. The cubic root of 9615791 is about 212.6481808447.

The spelling of 9615791 in words is "nine million, six hundred fifteen thousand, seven hundred ninety-one".