4049519 has 4 divisors (see below), whose sum is σ = 4287744. Its totient is φ = 3811296.

The previous prime is 4049497. The next prime is 4049533. The reversal of 4049519 is 9159404.

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 4049519 - 2¹⁶ = 3983983 is a prime.

It is a super-2 number, since 2×4049519² = 32797208262722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049569) 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, 119087 + ... + 119120.

It is an arithmetic number, because the mean of its divisors is an integer number (1071936).

Almost surely, 2^4049519 is an apocalyptic number.

4049519 is a deficient number, since it is larger than the sum of its proper divisors (238225).

4049519 is a wasteful number, since it uses less digits than its factorization.

4049519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238224.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 4049519 is about 2012.3416707905. The cubic root of 4049519 is about 159.3924747724.

The spelling of 4049519 in words is "four million, forty-nine thousand, five hundred nineteen".