8947349 has 4 divisors (see below), whose sum is σ = 9073440. Its totient is φ = 8821260.

The previous prime is 8947339. The next prime is 8947361. The reversal of 8947349 is 9437498.

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 a de Polignac number, because none of the positive numbers 2^k-8947349 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 (8947319) 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, 62939 + ... + 63080.

It is an arithmetic number, because the mean of its divisors is an integer number (2268360).

Almost surely, 2^8947349 is an apocalyptic number.

It is an amenable number.

8947349 is a deficient number, since it is larger than the sum of its proper divisors (126091).

8947349 is a wasteful number, since it uses less digits than its factorization.

8947349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126090.

The product of its digits is 217728, while the sum is 44.

The square root of 8947349 is about 2991.2119617306. The cubic root of 8947349 is about 207.6019646930.

The spelling of 8947349 in words is "eight million, nine hundred forty-seven thousand, three hundred forty-nine".