8947641 has 8 divisors (see below), whose sum is σ = 11952864. Its totient is φ = 5953760.

The previous prime is 8947639. The next prime is 8947643. The reversal of 8947641 is 1467498.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8947639) and next prime (8947643).

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 8947641 - 2¹ = 8947639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8947641.

It is not an unprimeable number, because it can be changed into a prime (8947643) 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, 780 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (1494108).

Almost surely, 2^8947641 is an apocalyptic number.

It is an amenable number.

8947641 is a deficient number, since it is larger than the sum of its proper divisors (3005223).

8947641 is a wasteful number, since it uses less digits than its factorization.

8947641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its digits is 48384, while the sum is 39.

The square root of 8947641 is about 2991.2607709794. The cubic root of 8947641 is about 207.6042230570.

The spelling of 8947641 in words is "eight million, nine hundred forty-seven thousand, six hundred forty-one".