3868984 has 32 divisors (see below), whose sum is σ = 8438400. Its totient is φ = 1628640.

The previous prime is 3868981. The next prime is 3868987. The reversal of 3868984 is 4898683.

It is an interprime number because it is at equal distance from previous prime (3868981) and next prime (3868987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (263700).

Almost surely, 2^3868984 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 3868984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219200).

3868984 is an abundant number, since it is smaller than the sum of its proper divisors (4569416).

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

3868984 is a wasteful number, since it uses less digits than its factorization.

3868984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1239 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 3868984 is about 1966.9733094275. The cubic root of 3868984 is about 156.9877064495.

The spelling of 3868984 in words is "three million, eight hundred sixty-eight thousand, nine hundred eighty-four".