4611620 has 24 divisors (see below), whose sum is σ = 10429944. Its totient is φ = 1702656.

The previous prime is 4611613. The next prime is 4611631. The reversal of 4611620 is 261164.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 4104676 = 712^2 + 2026^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4611592 and 4611601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8609 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (434581).

Almost surely, 2^4611620 is an apocalyptic number.

It is an amenable number.

4611620 is an abundant number, since it is smaller than the sum of its proper divisors (5818324).

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

4611620 is a wasteful number, since it uses less digits than its factorization.

4611620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759 (or 17757 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4611620 is about 2147.4682768320. The cubic root of 4611620 is about 166.4502702683.

Adding to 4611620 its reverse (261164), we get a palindrome (4872784).

The spelling of 4611620 in words is "four million, six hundred eleven thousand, six hundred twenty".