4049843 has 8 divisors (see below), whose sum is σ = 4672512. Its totient is φ = 3438216.

The previous prime is 4049833. The next prime is 4049873. The reversal of 4049843 is 3489404.

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 4049843 - 2⁴ = 4049827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049803) 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, 1955 + ... + 3452.

It is an arithmetic number, because the mean of its divisors is an integer number (584064).

Almost surely, 2^4049843 is an apocalyptic number.

4049843 is a deficient number, since it is larger than the sum of its proper divisors (622669).

4049843 is a wasteful number, since it uses less digits than its factorization.

4049843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4049843 is about 2012.4221724082. The cubic root of 4049843 is about 159.3967256298.

The spelling of 4049843 in words is "four million, forty-nine thousand, eight hundred forty-three".