3625668 has 48 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 1185984.

The previous prime is 3625649. The next prime is 3625669. The reversal of 3625668 is 8665263.

3625668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3625669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6088 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

Almost surely, 2^3625668 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 3625668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788000).

3625668 is an abundant number, since it is smaller than the sum of its proper divisors (5950332).

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

3625668 is a wasteful number, since it uses less digits than its factorization.

3625668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 633 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3625668 is about 1904.1186937794. The cubic root of 3625668 is about 153.6252766019.

The spelling of 3625668 in words is "three million, six hundred twenty-five thousand, six hundred sixty-eight".