3683988 has 96 divisors (see below), whose sum is σ = 11934720. Its totient is φ = 954720.

The previous prime is 3683971. The next prime is 3683993. The reversal of 3683988 is 8893863.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8095 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (124320).

Almost surely, 2^3683988 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 3683988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5967360).

3683988 is an abundant number, since it is smaller than the sum of its proper divisors (8250732).

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

3683988 is a wasteful number, since it uses less digits than its factorization.

3683988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 466 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3683988 is about 1919.3717722213. The cubic root of 3683988 is about 154.4446026295. Note that the first 3 decimals are identical.

It can be divided in two parts, 368 and 3988, that added together give a square (4356 = 66²).

The spelling of 3683988 in words is "three million, six hundred eighty-three thousand, nine hundred eighty-eight".