8613040 has 80 divisors (see below), whose sum is σ = 21712896. Its totient is φ = 3168000.

The previous prime is 8613019. The next prime is 8613041. The reversal of 8613040 is 403168.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8613041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56965 + ... + 57115.

Almost surely, 2^8613040 is an apocalyptic number.

8613040 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 8613040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10856448).

8613040 is an abundant number, since it is smaller than the sum of its proper divisors (13099856).

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

8613040 is a wasteful number, since it uses less digits than its factorization.

8613040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8613040 is about 2934.7981191217. The cubic root of 8613040 is about 204.9834608906.

The spelling of 8613040 in words is "eight million, six hundred thirteen thousand, forty".