8661246 has 16 divisors (see below), whose sum is σ = 18897408. Its totient is φ = 2624600.

The previous prime is 8661241. The next prime is 8661251. The reversal of 8661246 is 6421668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8661241) and next prime (8661251).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65550 + ... + 65681.

It is an arithmetic number, because the mean of its divisors is an integer number (1181088).

Almost surely, 2^8661246 is an apocalyptic number.

8661246 is an abundant number, since it is smaller than the sum of its proper divisors (10236162).

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

8661246 is a wasteful number, since it uses less digits than its factorization.

8661246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131247.

The product of its digits is 13824, while the sum is 33.

The square root of 8661246 is about 2942.9994903160. Note that the first 3 decimals coincide. The cubic root of 8661246 is about 205.3651710578.

It can be divided in two parts, 866 and 1246, that added together give a palindrome (2112).

The spelling of 8661246 in words is "eight million, six hundred sixty-one thousand, two hundred forty-six".