4943845 has 8 divisors (see below), whose sum is σ = 5945976. Its totient is φ = 3946176.

The previous prime is 4943843. The next prime is 4943921. The reversal of 4943845 is 5483494.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 4941729 = 46^2 + 2223^2 .

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 4943845 - 2¹ = 4943843 is a prime.

It is a Duffinian number.

4943845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4943843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (743247).

Almost surely, 2^4943845 is an apocalyptic number.

It is an amenable number.

4943845 is a deficient number, since it is larger than the sum of its proper divisors (1002131).

4943845 is a wasteful number, since it uses less digits than its factorization.

4943845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 69120, while the sum is 37.

The square root of 4943845 is about 2223.4758824867. The cubic root of 4943845 is about 170.3550250683.

The spelling of 4943845 in words is "four million, nine hundred forty-three thousand, eight hundred forty-five".