3995828 has 6 divisors (see below), whose sum is σ = 6992706. Its totient is φ = 1997912.

The previous prime is 3995791. The next prime is 3995837. The reversal of 3995828 is 8285993.

It can be written as a sum of positive squares in only one way, i.e., 2999824 + 996004 = 1732^2 + 998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499475 + ... + 499482.

It is an arithmetic number, because the mean of its divisors is an integer number (1165451).

Almost surely, 2^3995828 is an apocalyptic number.

It is an amenable number.

3995828 is a deficient number, since it is larger than the sum of its proper divisors (2996878).

3995828 is a wasteful number, since it uses less digits than its factorization.

3995828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998961 (or 998959 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 3995828 is about 1998.9567278958. The cubic root of 3995828 is about 158.6848973552.

It can be divided in two parts, 399582 and 8, that multiplied together give a triangular number (3196656 = T₂₅₂₈).

The spelling of 3995828 in words is "three million, nine hundred ninety-five thousand, eight hundred twenty-eight".