8493661 has 8 divisors (see below), whose sum is σ = 9481824. Its totient is φ = 7541520.

The previous prime is 8493649. The next prime is 8493671. The reversal of 8493661 is 1663948.

8493661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8493661 - 2¹⁹ = 7969373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8493661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493631) 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 7 ways as a sum of consecutive naturals, for example, 8506 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (1185228).

Almost surely, 2^8493661 is an apocalyptic number.

It is an amenable number.

8493661 is a deficient number, since it is larger than the sum of its proper divisors (988163).

8493661 is a wasteful number, since it uses less digits than its factorization.

8493661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18011.

The product of its digits is 31104, while the sum is 37.

The square root of 8493661 is about 2914.3886151301. The cubic root of 8493661 is about 204.0320099072.

The spelling of 8493661 in words is "eight million, four hundred ninety-three thousand, six hundred sixty-one".