8947446 has 8 divisors (see below), whose sum is σ = 17894904. Its totient is φ = 2982480.

The previous prime is 8947441. The next prime is 8947459. The reversal of 8947446 is 6447498.

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

8947446 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8947398 and 8947407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947441) 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 3 ways as a sum of consecutive naturals, for example, 745615 + ... + 745626.

It is an arithmetic number, because the mean of its divisors is an integer number (2236863).

Almost surely, 2^8947446 is an apocalyptic number.

8947446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8947446 is a wasteful number, since it uses less digits than its factorization.

8947446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491246.

The product of its digits is 193536, while the sum is 42.

The square root of 8947446 is about 2991.2281758502. The cubic root of 8947446 is about 207.6027149084.

The spelling of 8947446 in words is "eight million, nine hundred forty-seven thousand, four hundred forty-six".