8661376 has 32 divisors (see below), whose sum is σ = 17405280. Its totient is φ = 4293120.

The previous prime is 8661353. The next prime is 8661383. The reversal of 8661376 is 6731668.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19881 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (543915).

Almost surely, 2^8661376 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 8661376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8702640).

8661376 is an abundant number, since it is smaller than the sum of its proper divisors (8743904).

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

8661376 is a wasteful number, since it uses less digits than its factorization.

8661376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 590 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 8661376 is about 2943.0215765434. The cubic root of 8661376 is about 205.3661985212.

The spelling of 8661376 in words is "eight million, six hundred sixty-one thousand, three hundred seventy-six".