3628305 has 12 divisors (see below), whose sum is σ = 6289140. Its totient is φ = 1935072.

The previous prime is 3628291. The next prime is 3628309. The reversal of 3628305 is 5038263.

3628305 is a `hidden beast` number, since 3 + 628 + 30 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1648656 + 1979649 = 1284^2 + 1407^2 .

It is not a de Polignac number, because 3628305 - 2¹¹ = 3626257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3628309) 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, 40270 + ... + 40359.

It is an arithmetic number, because the mean of its divisors is an integer number (524095).

Almost surely, 2^3628305 is an apocalyptic number.

It is an amenable number.

3628305 is a deficient number, since it is larger than the sum of its proper divisors (2660835).

3628305 is a wasteful number, since it uses less digits than its factorization.

3628305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80640 (or 80637 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3628305 is about 1904.8110142479. The cubic root of 3628305 is about 153.6625121937.

The spelling of 3628305 in words is "three million, six hundred twenty-eight thousand, three hundred five".