8461580 has 48 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 3102720.

The previous prime is 8461577. The next prime is 8461613. The reversal of 8461580 is 851648.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13637 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (402192).

Almost surely, 2^8461580 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 8461580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9652608).

8461580 is an abundant number, since it is smaller than the sum of its proper divisors (10843636).

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

8461580 is a wasteful number, since it uses less digits than its factorization.

8461580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8461580 is about 2908.8795093644. The cubic root of 8461580 is about 203.7748059677.

The spelling of 8461580 in words is "eight million, four hundred sixty-one thousand, five hundred eighty".