8969749 has 4 divisors (see below), whose sum is σ = 8981280. Its totient is φ = 8958220.

The previous prime is 8969731. The next prime is 8969771. The reversal of 8969749 is 9479698.

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 8969749 - 2⁵ = 8969717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8969696 and 8969705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4507 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^8969749 is an apocalyptic number.

It is an amenable number.

8969749 is a deficient number, since it is larger than the sum of its proper divisors (11531).

8969749 is a wasteful number, since it uses less digits than its factorization.

8969749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530.

The product of its digits is 979776, while the sum is 52.

The square root of 8969749 is about 2994.9539228509. The cubic root of 8969749 is about 207.7750665686.

The spelling of 8969749 in words is "eight million, nine hundred sixty-nine thousand, seven hundred forty-nine".