3609656 has 8 divisors (see below), whose sum is σ = 6768120. Its totient is φ = 1804824.

The previous prime is 3609649. The next prime is 3609673. The reversal of 3609656 is 6569063.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225596 + ... + 225611.

It is an arithmetic number, because the mean of its divisors is an integer number (846015).

Almost surely, 2^3609656 is an apocalyptic number.

It is an amenable number.

3609656 is a deficient number, since it is larger than the sum of its proper divisors (3158464).

3609656 is a wasteful number, since it uses less digits than its factorization.

3609656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451213 (or 451209 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 3609656 is about 1899.9094715275. The cubic root of 3609656 is about 153.3987916275.

The spelling of 3609656 in words is "three million, six hundred nine thousand, six hundred fifty-six".