3656522 has 8 divisors (see below), whose sum is σ = 5498496. Its totient is φ = 1823692.

The previous prime is 3656509. The next prime is 3656537. The reversal of 3656522 is 2256563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (687312).

Almost surely, 2^3656522 is an apocalyptic number.

3656522 is a deficient number, since it is larger than the sum of its proper divisors (1841974).

3656522 is a wasteful number, since it uses less digits than its factorization.

3656522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572.

The product of its digits is 10800, while the sum is 29.

The square root of 3656522 is about 1912.2034410596. The cubic root of 3656522 is about 154.0598238368.

The spelling of 3656522 in words is "three million, six hundred fifty-six thousand, five hundred twenty-two".