3623868 has 36 divisors (see below), whose sum is σ = 9377368. Its totient is φ = 1179360.

The previous prime is 3623861. The next prime is 3623881. The reversal of 3623868 is 8683263.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623861) 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, 378 + ... + 2718.

Almost surely, 2^3623868 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 3623868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688684).

3623868 is an abundant number, since it is smaller than the sum of its proper divisors (5753500).

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

3623868 is a wasteful number, since it uses less digits than its factorization.

3623868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2389 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3623868 is about 1903.6459754902. The cubic root of 3623868 is about 153.5998494465.

The spelling of 3623868 in words is "three million, six hundred twenty-three thousand, eight hundred sixty-eight".