4640580 has 144 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 1016064.

The previous prime is 4640567. The next prime is 4640591. The reversal of 4640580 is 850464.

4640580 is a `hidden beast` number, since 46 + 40 + 580 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36477 + ... + 36603.

It is an arithmetic number, because the mean of its divisors is an integer number (116480).

Almost surely, 2^4640580 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 4640580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8386560).

4640580 is an abundant number, since it is smaller than the sum of its proper divisors (12132540).

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

4640580 is a wasteful number, since it uses less digits than its factorization.

4640580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4640580 is about 2154.2005477671. The cubic root of 4640580 is about 166.7979676443.

The spelling of 4640580 in words is "four million, six hundred forty thousand, five hundred eighty".