3984386 has 24 divisors (see below), whose sum is σ = 7034940. Its totient is φ = 1687392.

The previous prime is 3984347. The next prime is 3984389. The reversal of 3984386 is 6834893.

3984386 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 3924361 + 60025 = 1981^2 + 245^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3984389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10496 + ... + 10868.

Almost surely, 2^3984386 is an apocalyptic number.

3984386 is a deficient number, since it is larger than the sum of its proper divisors (3050554).

3984386 is a wasteful number, since it uses less digits than its factorization.

3984386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 491 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 3984386 is about 1996.0926832189. The cubic root of 3984386 is about 158.5332885264.

The spelling of 3984386 in words is "three million, nine hundred eighty-four thousand, three hundred eighty-six".