8486989 has 4 divisors (see below), whose sum is σ = 9699424. Its totient is φ = 7274556.

The previous prime is 8486987. The next prime is 8486993. The reversal of 8486989 is 9896848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8486989 - 2¹ = 8486987 is a prime.

It is a super-2 number, since 2×8486989² = 144057964572242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8486983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606207 + ... + 606220.

It is an arithmetic number, because the mean of its divisors is an integer number (2424856).

Almost surely, 2^8486989 is an apocalyptic number.

It is an amenable number.

8486989 is a deficient number, since it is larger than the sum of its proper divisors (1212435).

8486989 is a wasteful number, since it uses less digits than its factorization.

8486989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212434.

The product of its digits is 995328, while the sum is 52.

The square root of 8486989 is about 2913.2437247851. The cubic root of 8486989 is about 203.9785716952.

The spelling of 8486989 in words is "eight million, four hundred eighty-six thousand, nine hundred eighty-nine".