3108820 has 48 divisors (see below), whose sum is σ = 7676928. Its totient is φ = 1042560.

The previous prime is 3108817. The next prime is 3108823. The reversal of 3108820 is 288013.

It is an interprime number because it is at equal distance from previous prime (3108817) and next prime (3108823).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3108791 and 3108800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3108823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317 + ... + 3403.

It is an arithmetic number, because the mean of its divisors is an integer number (159936).

Almost surely, 2^3108820 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 3108820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3838464).

3108820 is an abundant number, since it is smaller than the sum of its proper divisors (4568108).

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

3108820 is a wasteful number, since it uses less digits than its factorization.

3108820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 3108820 is about 1763.1846188077. The cubic root of 3108820 is about 145.9481269401.

The spelling of 3108820 in words is "three million, one hundred eight thousand, eight hundred twenty".