4149943 has 4 divisors (see below), whose sum is σ = 4742800. Its totient is φ = 3557088.

The previous prime is 4149941. The next prime is 4149947. The reversal of 4149943 is 3499414.

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 4149943 - 2¹ = 4149941 is a prime.

It is a Duffinian number.

4149943 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4149899 and 4149908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296418 + ... + 296431.

It is an arithmetic number, because the mean of its divisors is an integer number (1185700).

Almost surely, 2^4149943 is an apocalyptic number.

4149943 is a deficient number, since it is larger than the sum of its proper divisors (592857).

4149943 is an equidigital number, since it uses as much as digits as its factorization.

4149943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592856.

The product of its digits is 15552, while the sum is 34.

The square root of 4149943 is about 2037.1408885985. The cubic root of 4149943 is about 160.6993217908.

The spelling of 4149943 in words is "four million, one hundred forty-nine thousand, nine hundred forty-three".