8340663 has 8 divisors (see below), whose sum is σ = 11330928. Its totient is φ = 5455424.

The previous prime is 8340641. The next prime is 8340679. The reversal of 8340663 is 3660438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8340663 is a prime.

8340663 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8340663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340613) 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, 26070 + ... + 26387.

It is an arithmetic number, because the mean of its divisors is an integer number (1416366).

Almost surely, 2^8340663 is an apocalyptic number.

8340663 is a deficient number, since it is larger than the sum of its proper divisors (2990265).

8340663 is a wasteful number, since it uses less digits than its factorization.

8340663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52513.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 8340663 is about 2888.0206024196. The cubic root of 8340663 is about 202.7994897847.

The spelling of 8340663 in words is "eight million, three hundred forty thousand, six hundred sixty-three".