3625624 has 32 divisors (see below), whose sum is σ = 7348320. Its totient is φ = 1670656.

The previous prime is 3625621. The next prime is 3625649. The reversal of 3625624 is 4265263.

It is a happy number.

3625624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁷ + 6⁸ + 2³ + 5 + 6⁸ + 2¹¹ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 3625592 and 3625601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625621) 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 7 ways as a sum of consecutive naturals, for example, 6957 + ... + 7459.

It is an arithmetic number, because the mean of its divisors is an integer number (229635).

Almost surely, 2^3625624 is an apocalyptic number.

3625624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3625624 is an abundant number, since it is smaller than the sum of its proper divisors (3722696).

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

3625624 is a wasteful number, since it uses less digits than its factorization.

3625624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 575 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 3625624 is about 1904.1071398427. The cubic root of 3625624 is about 153.6246551496.

The spelling of 3625624 in words is "three million, six hundred twenty-five thousand, six hundred twenty-four".