8669731 has 4 divisors (see below), whose sum is σ = 9908272. Its totient is φ = 7431192.

The previous prime is 8669701. The next prime is 8669767. The reversal of 8669731 is 1379668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8669731 - 2¹⁷ = 8538659 is a prime.

It is a super-2 number, since 2×8669731² = 150328471224722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8669701) 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, 619260 + ... + 619273.

It is an arithmetic number, because the mean of its divisors is an integer number (2477068).

Almost surely, 2^8669731 is an apocalyptic number.

8669731 is a deficient number, since it is larger than the sum of its proper divisors (1238541).

8669731 is a wasteful number, since it uses less digits than its factorization.

8669731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238540.

The product of its digits is 54432, while the sum is 40.

The square root of 8669731 is about 2944.4406939179. The cubic root of 8669731 is about 205.4322112490.

The spelling of 8669731 in words is "eight million, six hundred sixty-nine thousand, seven hundred thirty-one".