3102828 has 12 divisors (see below), whose sum is σ = 7239960. Its totient is φ = 1034272.

The previous prime is 3102817. The next prime is 3102829. The reversal of 3102828 is 8282013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3102798 and 3102807.

It is not an unprimeable number, because it can be changed into a prime (3102829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129273 + ... + 129296.

It is an arithmetic number, because the mean of its divisors is an integer number (603330).

Almost surely, 2^3102828 is an apocalyptic number.

It is an amenable number.

3102828 is an abundant number, since it is smaller than the sum of its proper divisors (4137132).

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

3102828 is a wasteful number, since it uses less digits than its factorization.

3102828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258576 (or 258574 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3102828 is about 1761.4846011249. The cubic root of 3102828 is about 145.8542988815.

It can be divided in two parts, 3 and 102828, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 3102828 in words is "three million, one hundred two thousand, eight hundred twenty-eight".