4640680 has 64 divisors (see below), whose sum is σ = 11664000. Its totient is φ = 1647360.

The previous prime is 4640599. The next prime is 4640717. The reversal of 4640680 is 860464.

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, 23221 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

Almost surely, 2^4640680 is an apocalyptic number.

4640680 is a gapful number since it is divisible by the number (40) 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 4640680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832000).

4640680 is an abundant number, since it is smaller than the sum of its proper divisors (7023320).

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

4640680 is a wasteful number, since it uses less digits than its factorization.

4640680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4640680 is about 2154.2237581087. The cubic root of 4640680 is about 166.7991657472.

The spelling of 4640680 in words is "four million, six hundred forty thousand, six hundred eighty".