4664645 has 8 divisors (see below), whose sum is σ = 5613720. Its totient is φ = 3720960.

The previous prime is 4664641. The next prime is 4664657. The reversal of 4664645 is 5464664.

It can be written as a sum of positive squares in 4 ways, for example, as 1560001 + 3104644 = 1249^2 + 1762^2 .

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

It is not a de Polignac number, because 4664645 - 2² = 4664641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664641) by changing a digit.

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, 905 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (701715).

Almost surely, 2^4664645 is an apocalyptic number.

It is an amenable number.

4664645 is a deficient number, since it is larger than the sum of its proper divisors (949075).

4664645 is a wasteful number, since it uses less digits than its factorization.

4664645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695.

The product of its digits is 69120, while the sum is 35.

The square root of 4664645 is about 2159.7789238716. The cubic root of 4664645 is about 167.0857962101.

The spelling of 4664645 in words is "four million, six hundred sixty-four thousand, six hundred forty-five".