8947463 has 4 divisors (see below), whose sum is σ = 10225680. Its totient is φ = 7669248.

The previous prime is 8947459. The next prime is 8947469. The reversal of 8947463 is 3647498.

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 8947463 - 2² = 8947459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8947463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947469) 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, 639098 + ... + 639111.

It is an arithmetic number, because the mean of its divisors is an integer number (2556420).

Almost surely, 2^8947463 is an apocalyptic number.

8947463 is a deficient number, since it is larger than the sum of its proper divisors (1278217).

8947463 is a wasteful number, since it uses less digits than its factorization.

8947463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278216.

The product of its digits is 145152, while the sum is 41.

The square root of 8947463 is about 2991.2310174910. The cubic root of 8947463 is about 207.6028463889.

The spelling of 8947463 in words is "eight million, nine hundred forty-seven thousand, four hundred sixty-three".