8989513 has 8 divisors (see below), whose sum is σ = 9709448. Its totient is φ = 8273664.

The previous prime is 8989511. The next prime is 8989517. The reversal of 8989513 is 3159898.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 8684809 = 552^2 + 2947^2 .

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 8989513 - 2¹ = 8989511 is a prime.

It is a super-2 number, since 2×8989513² = 161622687954338, which contains 22 as substring.

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 8989513.

It is not an unprimeable number, because it can be changed into a prime (8989511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4831 + ... + 6427.

It is an arithmetic number, because the mean of its divisors is an integer number (1213681).

Almost surely, 2^8989513 is an apocalyptic number.

It is an amenable number.

8989513 is a deficient number, since it is larger than the sum of its proper divisors (719935).

8989513 is a wasteful number, since it uses less digits than its factorization.

8989513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043.

The product of its digits is 77760, while the sum is 43.

The square root of 8989513 is about 2998.2516572163. The cubic root of 8989513 is about 207.9275589082.

The spelling of 8989513 in words is "eight million, nine hundred eighty-nine thousand, five hundred thirteen".