3609648 has 60 divisors (see below), whose sum is σ = 11548368. Its totient is φ = 1031040.

The previous prime is 3609637. The next prime is 3609649. The reversal of 3609648 is 8469063.

3609648 is a `hidden beast` number, since 3 + 6 + 0 + 9 + 648 = 666.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3609649) 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, 783 + ... + 2798.

Almost surely, 2^3609648 is an apocalyptic number.

It is an amenable number.

3609648 is an abundant number, since it is smaller than the sum of its proper divisors (7938720).

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

3609648 is a wasteful number, since it uses less digits than its factorization.

3609648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3609648 is about 1899.9073661629. The cubic root of 3609648 is about 153.3986783026.

The spelling of 3609648 in words is "three million, six hundred nine thousand, six hundred forty-eight".