8749986 has 16 divisors (see below), whose sum is σ = 20000064. Its totient is φ = 2499984.

The previous prime is 8749981. The next prime is 8749991. The reversal of 8749986 is 6899478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8749981) and next prime (8749991).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8749981) 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, 104125 + ... + 104208.

It is an arithmetic number, because the mean of its divisors is an integer number (1250004).

Almost surely, 2^8749986 is an apocalyptic number.

8749986 is an abundant number, since it is smaller than the sum of its proper divisors (11250078).

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

8749986 is a wasteful number, since it uses less digits than its factorization.

8749986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208345.

The product of its digits is 870912, while the sum is 51.

The square root of 8749986 is about 2958.0375251169. The cubic root of 8749986 is about 206.0641550894.

The spelling of 8749986 in words is "eight million, seven hundred forty-nine thousand, nine hundred eighty-six".