9345661 has 4 divisors (see below), whose sum is σ = 10064572. Its totient is φ = 8626752.

The previous prime is 9345647. The next prime is 9345667. The reversal of 9345661 is 1665439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1665439 = 17 ⋅97967.

It can be written as a sum of positive squares in 2 ways, for example, as 5616900 + 3728761 = 2370^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9345661 - 2¹³ = 9337469 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 (9345667) 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, 359436 + ... + 359461.

It is an arithmetic number, because the mean of its divisors is an integer number (2516143).

Almost surely, 2^9345661 is an apocalyptic number.

It is an amenable number.

9345661 is a deficient number, since it is larger than the sum of its proper divisors (718911).

9345661 is a wasteful number, since it uses less digits than its factorization.

9345661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718910.

The product of its digits is 19440, while the sum is 34.

The square root of 9345661 is about 3057.0673855838. The cubic root of 9345661 is about 210.6379767296.

It can be divided in two parts, 93 and 45661, that added together give a palindrome (45754).

The spelling of 9345661 in words is "nine million, three hundred forty-five thousand, six hundred sixty-one".