4643290 has 16 divisors (see below), whose sum is σ = 8403912. Its totient is φ = 1847104.

The previous prime is 4643279. The next prime is 4643297. The reversal of 4643290 is 923464.

It can be written as a sum of positive squares in 4 ways, for example, as 4198401 + 444889 = 2049^2 + 667^2 .

It is not an unprimeable number, because it can be changed into a prime (4643297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 792 + ... + 3148.

Almost surely, 2^4643290 is an apocalyptic number.

4643290 is a deficient number, since it is larger than the sum of its proper divisors (3760622).

4643290 is a wasteful number, since it uses less digits than its factorization.

4643290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4643290 is about 2154.8294596093. The cubic root of 4643290 is about 166.8304301475.

The spelling of 4643290 in words is "four million, six hundred forty-three thousand, two hundred ninety".