3969824 has 24 divisors (see below), whose sum is σ = 7883568. Its totient is φ = 1967680.

The previous prime is 3969821. The next prime is 3969827. The reversal of 3969824 is 4289693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3969821) and next prime (3969827).

It is not an unprimeable number, because it can be changed into a prime (3969821) 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, 3719 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (328482).

Almost surely, 2^3969824 is an apocalyptic number.

It is an amenable number.

3969824 is a deficient number, since it is larger than the sum of its proper divisors (3913744).

3969824 is a wasteful number, since it uses less digits than its factorization.

3969824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1080 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 3969824 is about 1992.4417180937. The cubic root of 3969824 is about 158.3399187166.

The spelling of 3969824 in words is "three million, nine hundred sixty-nine thousand, eight hundred twenty-four".