3645356 has 24 divisors (see below), whose sum is σ = 7495824. Its totient is φ = 1529280.

The previous prime is 3645349. The next prime is 3645371. The reversal of 3645356 is 6535463.

It is a d-powerful number, because it can be written as 3² + 6⁵ + 4⁶ + 5 + 3⁶ + 5⁹ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (312326).

Almost surely, 2^3645356 is an apocalyptic number.

It is an amenable number.

3645356 is an abundant number, since it is smaller than the sum of its proper divisors (3850468).

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

3645356 is a wasteful number, since it uses less digits than its factorization.

3645356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 6399 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 3645356 is about 1909.2815402659. The cubic root of 3645356 is about 153.9028453377.

The spelling of 3645356 in words is "three million, six hundred forty-five thousand, three hundred fifty-six".