4640343 has 4 divisors (see below), whose sum is σ = 6187128. Its totient is φ = 3093560.

The previous prime is 4640329. The next prime is 4640369. The reversal of 4640343 is 3430464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4640343 - 2¹³ = 4632151 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640393) 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 3 ways as a sum of consecutive naturals, for example, 773388 + ... + 773393.

It is an arithmetic number, because the mean of its divisors is an integer number (1546782).

Almost surely, 2^4640343 is an apocalyptic number.

4640343 is a deficient number, since it is larger than the sum of its proper divisors (1546785).

4640343 is a wasteful number, since it uses less digits than its factorization.

4640343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546784.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4640343 is about 2154.1455382587. The cubic root of 4640343 is about 166.7951280717.

The spelling of 4640343 in words is "four million, six hundred forty thousand, three hundred forty-three".