9709449 has 4 divisors (see below), whose sum is σ = 12945936. Its totient is φ = 6472964.

The previous prime is 9709411. The next prime is 9709477. The reversal of 9709449 is 9449079.

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 9709449 - 2¹⁹ = 9185161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9709449.

It is not an unprimeable number, because it can be changed into a prime (9709849) 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, 1618239 + ... + 1618244.

It is an arithmetic number, because the mean of its divisors is an integer number (3236484).

Almost surely, 2^9709449 is an apocalyptic number.

It is an amenable number.

9709449 is a deficient number, since it is larger than the sum of its proper divisors (3236487).

9709449 is a wasteful number, since it uses less digits than its factorization.

9709449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236486.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9709449 is about 3115.9988767649. The cubic root of 9709449 is about 213.3363505975.

The spelling of 9709449 in words is "nine million, seven hundred nine thousand, four hundred forty-nine".