8461680 has 40 divisors (see below), whose sum is σ = 26231952. Its totient is φ = 2256384.

The previous prime is 8461657. The next prime is 8461693. The reversal of 8461680 is 861648.

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, 17389 + ... + 17868.

Almost surely, 2^8461680 is an apocalyptic number.

8461680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8461680 is an abundant number, since it is smaller than the sum of its proper divisors (17770272).

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

8461680 is a wasteful number, since it uses less digits than its factorization.

8461680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35273 (or 35267 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8461680 is about 2908.8966980627. The cubic root of 8461680 is about 203.7756087099.

The spelling of 8461680 in words is "eight million, four hundred sixty-one thousand, six hundred eighty".