3625140 has 48 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 935040.

The previous prime is 3625133. The next prime is 3625151. The reversal of 3625140 is 415263.

It is a happy number.

3625140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 886 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

Almost surely, 2^3625140 is an apocalyptic number.

3625140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3625140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

3625140 is an abundant number, since it is smaller than the sum of its proper divisors (6858060).

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

3625140 is a wasteful number, since it uses less digits than its factorization.

3625140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3625140 is about 1903.9800419122. The cubic root of 3625140 is about 153.6178188421.

The spelling of 3625140 in words is "three million, six hundred twenty-five thousand, one hundred forty".