9761609 has 24 divisors (see below), whose sum is σ = 11858400. Its totient is φ = 7962240.

The previous prime is 9761551. The next prime is 9761617. The reversal of 9761609 is 9061679.

9761609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9761609 - 2¹⁶ = 9696073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9761629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109637 + ... + 109725.

It is an arithmetic number, because the mean of its divisors is an integer number (494100).

Almost surely, 2^9761609 is an apocalyptic number.

It is an amenable number.

9761609 is a deficient number, since it is larger than the sum of its proper divisors (2096791).

9761609 is a wasteful number, since it uses less digits than its factorization.

9761609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 9761609 is about 3124.3573739251. The cubic root of 9761609 is about 213.7176889933.

Subtracting from 9761609 its sum of digits (38), we obtain a triangular number (9761571 = T₄₄₁₈).

The spelling of 9761609 in words is "nine million, seven hundred sixty-one thousand, six hundred nine".