9149609 has 4 divisors (see below), whose sum is σ = 10456704. Its totient is φ = 7842516.

The previous prime is 9149603. The next prime is 9149611. The reversal of 9149609 is 9069419.

9149609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9149609 - 2¹⁶ = 9084073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9149603) 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, 653537 + ... + 653550.

It is an arithmetic number, because the mean of its divisors is an integer number (2614176).

Almost surely, 2^9149609 is an apocalyptic number.

It is an amenable number.

9149609 is a deficient number, since it is larger than the sum of its proper divisors (1307095).

9149609 is a wasteful number, since it uses less digits than its factorization.

9149609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307094.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9149609 is about 3024.8320614540. The cubic root of 9149609 is about 209.1546439090.

The spelling of 9149609 in words is "nine million, one hundred forty-nine thousand, six hundred nine".