8669240 has 16 divisors (see below), whose sum is σ = 19505880. Its totient is φ = 3467680.

The previous prime is 8669239. The next prime is 8669249. The reversal of 8669240 is 429668.

It is a self number, because there is not a number n which added to its sum of digits gives 8669240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108326 + ... + 108405.

Almost surely, 2^8669240 is an apocalyptic number.

It is an amenable number.

8669240 is an abundant number, since it is smaller than the sum of its proper divisors (10836640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8669240 is a wasteful number, since it uses less digits than its factorization.

8669240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216742 (or 216738 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 8669240 is about 2944.3573152727. The cubic root of 8669240 is about 205.4283330388.

The spelling of 8669240 in words is "eight million, six hundred sixty-nine thousand, two hundred forty".