8661276 has 96 divisors (see below), whose sum is σ = 25088000. Its totient is φ = 2566080.

The previous prime is 8661253. The next prime is 8661281. The reversal of 8661276 is 6721668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8661276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43425 + ... + 43623.

Almost surely, 2^8661276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8661276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12544000).

8661276 is an abundant number, since it is smaller than the sum of its proper divisors (16426724).

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

8661276 is a wasteful number, since it uses less digits than its factorization.

8661276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 248 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8661276 is about 2943.0045871524. The cubic root of 8661276 is about 205.3654081657.

The spelling of 8661276 in words is "eight million, six hundred sixty-one thousand, two hundred seventy-six".