8666960 has 40 divisors (see below), whose sum is σ = 20329056. Its totient is φ = 3436160.

The previous prime is 8666953. The next prime is 8666989. The reversal of 8666960 is 696668.

Added to its reverse (696668) it gives a triangular number (9363628 = T₄₃₂₇).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10067 + ... + 10893.

Almost surely, 2^8666960 is an apocalyptic number.

8666960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8666960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10164528).

8666960 is an abundant number, since it is smaller than the sum of its proper divisors (11662096).

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

8666960 is a wasteful number, since it uses less digits than its factorization.

8666960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 8666960 is about 2943.9701085439. The cubic root of 8666960 is about 205.4103223225.

Adding to 8666960 its reverse (696668), we get a triangular number (9363628 = T₄₃₂₇).

The spelling of 8666960 in words is "eight million, six hundred sixty-six thousand, nine hundred sixty".