4049143 has 8 divisors (see below), whose sum is σ = 4643712. Its totient is φ = 3458616.

The previous prime is 4049131. The next prime is 4049153. The reversal of 4049143 is 3419404.

It is a happy number.

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

It is not a de Polignac number, because 4049143 - 2¹⁷ = 3918071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049153) 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, 1596 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (580464).

Almost surely, 2^4049143 is an apocalyptic number.

4049143 is a deficient number, since it is larger than the sum of its proper divisors (594569).

4049143 is a wasteful number, since it uses less digits than its factorization.

4049143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4049143 is about 2012.2482451229. The cubic root of 4049143 is about 159.3875413942.

The spelling of 4049143 in words is "four million, forty-nine thousand, one hundred forty-three".