3896984 has 64 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1497600.

The previous prime is 3896969. The next prime is 3896987. The reversal of 3896984 is 4896983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3896987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38534 + ... + 38634.

It is an arithmetic number, because the mean of its divisors is an integer number (144585).

Almost surely, 2^3896984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3896984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

3896984 is an abundant number, since it is smaller than the sum of its proper divisors (5356456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3896984 is a wasteful number, since it uses less digits than its factorization.

3896984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 176 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 3896984 is about 1974.0780126429. The cubic root of 3896984 is about 157.3655054066.

Subtracting 3896984 from its reverse (4896983), we obtain a palindrome (999999).

The spelling of 3896984 in words is "three million, eight hundred ninety-six thousand, nine hundred eighty-four".