9489509 has 8 divisors (see below), whose sum is σ = 9665568. Its totient is φ = 9315280.

The previous prime is 9489497. The next prime is 9489517. The reversal of 9489509 is 9059849.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9489509 is a prime.

It is a super-2 number, since 2×9489509² = 180101562122162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9489509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13679 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (1208196).

Almost surely, 2^9489509 is an apocalyptic number.

It is an amenable number.

9489509 is a deficient number, since it is larger than the sum of its proper divisors (176059).

9489509 is a wasteful number, since it uses less digits than its factorization.

9489509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9489509 is about 3080.5046664467. The cubic root of 9489509 is about 211.7131890493.

The spelling of 9489509 in words is "nine million, four hundred eighty-nine thousand, five hundred nine".