5618620 has 48 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 1894464.

The previous prime is 5618611. The next prime is 5618633. The reversal of 5618620 is 268165.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 16.

It is a congruent number.

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, 9081 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

Almost surely, 2^5618620 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 5618620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6854400).

5618620 is an abundant number, since it is smaller than the sum of its proper divisors (8090180).

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

5618620 is a wasteful number, since it uses less digits than its factorization.

5618620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5618620 is about 2370.3628414232. The cubic root of 5618620 is about 177.7774013302. Note that the first 3 decimals are identical.

The spelling of 5618620 in words is "five million, six hundred eighteen thousand, six hundred twenty".