9671209 has 8 divisors (see below), whose sum is σ = 10212480. Its totient is φ = 9133200.

The previous prime is 9671197. The next prime is 9671251. The reversal of 9671209 is 9021769.

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

It is a cyclic number.

It is not a de Polignac number, because 9671209 - 2¹⁵ = 9638441 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 (9674209) 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, 7599 + ... + 8779.

It is an arithmetic number, because the mean of its divisors is an integer number (1276560).

Almost surely, 2^9671209 is an apocalyptic number.

It is an amenable number.

9671209 is a deficient number, since it is larger than the sum of its proper divisors (541271).

9671209 is a wasteful number, since it uses less digits than its factorization.

9671209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9671209 is about 3109.8567491124. The cubic root of 9671209 is about 213.0559119092.

The spelling of 9671209 in words is "nine million, six hundred seventy-one thousand, two hundred nine".