3868242 has 32 divisors (see below), whose sum is σ = 9129984. Its totient is φ = 1069200.

The previous prime is 3868219. The next prime is 3868243. The reversal of 3868242 is 2428683.

It is not an unprimeable number, because it can be changed into a prime (3868243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (285312).

Almost surely, 2^3868242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3868242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4564992).

3868242 is an abundant number, since it is smaller than the sum of its proper divisors (5261742).

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

3868242 is a wasteful number, since it uses less digits than its factorization.

3868242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014.

The product of its digits is 18432, while the sum is 33.

The square root of 3868242 is about 1966.7846857244. The cubic root of 3868242 is about 156.9776700225.

The spelling of 3868242 in words is "three million, eight hundred sixty-eight thousand, two hundred forty-two".