3622540 has 24 divisors (see below), whose sum is σ = 8008560. Its totient is φ = 1372608.

The previous prime is 3622537. The next prime is 3622573. The reversal of 3622540 is 452263.

It is a happy number.

3622540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4387 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (333690).

Almost surely, 2^3622540 is an apocalyptic number.

It is an amenable number.

3622540 is an abundant number, since it is smaller than the sum of its proper divisors (4386020).

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

3622540 is a wasteful number, since it uses less digits than its factorization.

3622540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561 (or 9559 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3622540 is about 1903.2971391772. The cubic root of 3622540 is about 153.5810844582.

The spelling of 3622540 in words is "three million, six hundred twenty-two thousand, five hundred forty".