4373643 has 8 divisors (see below), whose sum is σ = 5857488. Its totient is φ = 2902784.

The previous prime is 4373623. The next prime is 4373647. The reversal of 4373643 is 3463734.

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

It is a cyclic number.

It is not a de Polignac number, because 4373643 - 2¹⁴ = 4357259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4373643.

It is not an unprimeable number, because it can be changed into a prime (4373647) 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, 2430 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (732186).

Almost surely, 2^4373643 is an apocalyptic number.

4373643 is a deficient number, since it is larger than the sum of its proper divisors (1483845).

4373643 is a wasteful number, since it uses less digits than its factorization.

4373643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its digits is 18144, while the sum is 30.

The square root of 4373643 is about 2091.3256561330. The cubic root of 4373643 is about 163.5364039056.

Subtracting from 4373643 its reverse (3463734), we obtain a palindrome (909909).

The spelling of 4373643 in words is "four million, three hundred seventy-three thousand, six hundred forty-three".