8481986 has 12 divisors (see below), whose sum is σ = 13301862. Its totient is φ = 4056096.

The previous prime is 8481983. The next prime is 8482021. The reversal of 8481986 is 6891848.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 1485961 = 2645^2 + 1219^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2951 + ... + 5066.

Almost surely, 2^8481986 is an apocalyptic number.

8481986 is a deficient number, since it is larger than the sum of its proper divisors (4819876).

8481986 is a wasteful number, since it uses less digits than its factorization.

8481986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065 (or 8042 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 8481986 is about 2912.3849333493. The cubic root of 8481986 is about 203.9384826685.

The spelling of 8481986 in words is "eight million, four hundred eighty-one thousand, nine hundred eighty-six".