8990517 has 8 divisors (see below), whose sum is σ = 12156480. Its totient is φ = 5909120.

The previous prime is 8990497. The next prime is 8990533. The reversal of 8990517 is 7150998.

It is a happy number.

8990517 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 8990517 - 2¹⁰ = 8989493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990567) 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, 20892 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (1519560).

Almost surely, 2^8990517 is an apocalyptic number.

It is an amenable number.

8990517 is a deficient number, since it is larger than the sum of its proper divisors (3165963).

8990517 is a wasteful number, since it uses less digits than its factorization.

8990517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42283.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 8990517 is about 2998.4190834505. The cubic root of 8990517 is about 207.9352994646.

The spelling of 8990517 in words is "eight million, nine hundred ninety thousand, five hundred seventeen".