3961828 has 24 divisors (see below), whose sum is σ = 7595000. Its totient is φ = 1797120.

The previous prime is 3961817. The next prime is 3961847. The reversal of 3961828 is 8281693.

It can be written as a sum of positive squares in 4 ways, for example, as 88804 + 3873024 = 298^2 + 1968^2 .

It is a super-2 number, since 2×3961828² = 31392162203168, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 2548 + ... + 3796.

Almost surely, 2^3961828 is an apocalyptic number.

It is an amenable number.

3961828 is a deficient number, since it is larger than the sum of its proper divisors (3633172).

3961828 is a wasteful number, since it uses less digits than its factorization.

3961828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1325 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3961828 is about 1990.4341235017. The cubic root of 3961828 is about 158.2335380986.

The spelling of 3961828 in words is "three million, nine hundred sixty-one thousand, eight hundred twenty-eight".