4627645 has 12 divisors (see below), whose sum is σ = 6104700. Its totient is φ = 3365120.

The previous prime is 4627639. The next prime is 4627663. The reversal of 4627645 is 5467264.

It can be written as a sum of positive squares in 2 ways, for example, as 793881 + 3833764 = 891^2 + 1958^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4627645 is a prime.

It is an Ulam number.

4627645 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4627645.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 3220 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

Almost surely, 2^4627645 is an apocalyptic number.

It is an amenable number.

4627645 is a deficient number, since it is larger than the sum of its proper divisors (1477055).

4627645 is a wasteful number, since it uses less digits than its factorization.

4627645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7665 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 4627645 is about 2151.1961788735. The cubic root of 4627645 is about 166.6428477072.

The spelling of 4627645 in words is "four million, six hundred twenty-seven thousand, six hundred forty-five".