4681620 has 72 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 1206720.

The previous prime is 4681609. The next prime is 4681631. The reversal of 4681620 is 261864.

It is an interprime number because it is at equal distance from previous prime (4681609) and next prime (4681631).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5161 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

Almost surely, 2^4681620 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 4681620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

4681620 is an abundant number, since it is smaller than the sum of its proper divisors (9994860).

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

4681620 is a wasteful number, since it uses less digits than its factorization.

4681620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4681620 is about 2163.7051555145. The cubic root of 4681620 is about 167.2882301823.

The spelling of 4681620 in words is "four million, six hundred eighty-one thousand, six hundred twenty".