3105828 has 108 divisors (see below), whose sum is σ = 9295104. Its totient is φ = 871200.

The previous prime is 3105821. The next prime is 3105841. The reversal of 3105828 is 8285013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3105821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100173 + ... + 100203.

Almost surely, 2^3105828 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 3105828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4647552).

3105828 is an abundant number, since it is smaller than the sum of its proper divisors (6189276).

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

3105828 is a wasteful number, since it uses less digits than its factorization.

3105828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3105828 is about 1762.3359498121. The cubic root of 3105828 is about 145.9012906313.

The spelling of 3105828 in words is "three million, one hundred five thousand, eight hundred twenty-eight".