3629705 has 8 divisors (see below), whose sum is σ = 4438152. Its totient is φ = 2848768.

The previous prime is 3629671. The next prime is 3629719. The reversal of 3629705 is 5079263.

3629705 = 130² + 131² + ... + 235².

3629705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 3575881 = 232^2 + 1891^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3629705 - 2¹⁴ = 3613321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6584 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (554769).

Almost surely, 2^3629705 is an apocalyptic number.

It is an amenable number.

3629705 is a deficient number, since it is larger than the sum of its proper divisors (808447).

3629705 is a wasteful number, since it uses less digits than its factorization.

3629705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13755.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3629705 is about 1905.1784693304. The cubic root of 3629705 is about 153.6822734737.

It can be divided in two parts, 3629 and 705, that added together give a palindrome (4334).

The spelling of 3629705 in words is "three million, six hundred twenty-nine thousand, seven hundred five".