3785828 has 12 divisors (see below), whose sum is σ = 6655740. Its totient is φ = 1884192.

The previous prime is 3785819. The next prime is 3785851. The reversal of 3785828 is 8285873.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 574564 = 1792^2 + 758^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (554645).

Almost surely, 2^3785828 is an apocalyptic number.

It is an amenable number.

3785828 is a deficient number, since it is larger than the sum of its proper divisors (2869912).

3785828 is a wasteful number, since it uses less digits than its factorization.

3785828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4364 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 3785828 is about 1945.7204321279. The cubic root of 3785828 is about 155.8548397655.

The spelling of 3785828 in words is "three million, seven hundred eighty-five thousand, eight hundred twenty-eight".