3813828 has 24 divisors (see below), whose sum is σ = 9001440. Its totient is φ = 1256640.

The previous prime is 3813811. The next prime is 3813847. The reversal of 3813828 is 8283183.

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, 718 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (375060).

Almost surely, 2^3813828 is an apocalyptic number.

It is an amenable number.

3813828 is an abundant number, since it is smaller than the sum of its proper divisors (5187612).

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

3813828 is a wasteful number, since it uses less digits than its factorization.

3813828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3665 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 3813828 is about 1952.9024553213. The cubic root of 3813828 is about 156.2381307251.

The spelling of 3813828 in words is "three million, eight hundred thirteen thousand, eight hundred twenty-eight".