4049479 has 4 divisors (see below), whose sum is σ = 4627984. Its totient is φ = 3470976.

The previous prime is 4049471. The next prime is 4049483. The reversal of 4049479 is 9749404.

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 4049479 - 2³ = 4049471 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 (4049471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289242 + ... + 289255.

It is an arithmetic number, because the mean of its divisors is an integer number (1156996).

Almost surely, 2^4049479 is an apocalyptic number.

4049479 is a deficient number, since it is larger than the sum of its proper divisors (578505).

4049479 is an equidigital number, since it uses as much as digits as its factorization.

4049479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578504.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 4049479 is about 2012.3317320959. The cubic root of 4049479 is about 159.3919499594.

The spelling of 4049479 in words is "four million, forty-nine thousand, four hundred seventy-nine".