8989986 has 16 divisors (see below), whose sum is σ = 18041184. Its totient is φ = 2986464.

The previous prime is 8989973. The next prime is 8989999. The reversal of 8989986 is 6899898.

It is an interprime number because it is at equal distance from previous prime (8989973) and next prime (8989999).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (1127574).

Almost surely, 2^8989986 is an apocalyptic number.

8989986 is an abundant number, since it is smaller than the sum of its proper divisors (9051198).

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

8989986 is a wasteful number, since it uses less digits than its factorization.

8989986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105.

The product of its digits is 2239488, while the sum is 57.

The square root of 8989986 is about 2998.3305354814. The cubic root of 8989986 is about 207.9312056764.

The spelling of 8989986 in words is "eight million, nine hundred eighty-nine thousand, nine hundred eighty-six".