3628705 has 16 divisors (see below), whose sum is σ = 4612608. Its totient is φ = 2736000.

The previous prime is 3628697. The next prime is 3628711. The reversal of 3628705 is 5078263.

It is not a de Polignac number, because 3628705 - 2³ = 3628697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 6070 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^3628705 is an apocalyptic number.

It is an amenable number.

3628705 is a deficient number, since it is larger than the sum of its proper divisors (983903).

3628705 is a wasteful number, since it uses less digits than its factorization.

3628705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3628705 is about 1904.9160086471. The cubic root of 3628705 is about 153.6681587923.

The spelling of 3628705 in words is "three million, six hundred twenty-eight thousand, seven hundred five".