8947089 has 12 divisors (see below), whose sum is σ = 13168116. Its totient is φ = 5851872.

The previous prime is 8947067. The next prime is 8947111. The reversal of 8947089 is 9807498.

8947089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8947067) and next prime (8947111).

It can be written as a sum of positive squares in 2 ways, for example, as 5919489 + 3027600 = 2433^2 + 1740^2 .

It is not a de Polignac number, because 8947089 - 2¹² = 8942993 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8902 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (1097343).

Almost surely, 2^8947089 is an apocalyptic number.

It is an amenable number.

8947089 is a deficient number, since it is larger than the sum of its proper divisors (4221027).

8947089 is a wasteful number, since it uses less digits than its factorization.

8947089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816 (or 18813 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8947089 is about 2991.1685007702. The cubic root of 8947089 is about 207.5999537795.

The spelling of 8947089 in words is "eight million, nine hundred forty-seven thousand, eighty-nine".