4049319 has 4 divisors (see below), whose sum is σ = 5399096. Its totient is φ = 2699544.

The previous prime is 4049293. The next prime is 4049327. The reversal of 4049319 is 9139404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4049319 - 2⁸ = 4049063 is a prime.

It is a super-2 number, since 2×4049319² = 32793968727522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049329) 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, 674884 + ... + 674889.

It is an arithmetic number, because the mean of its divisors is an integer number (1349774).

Almost surely, 2^4049319 is an apocalyptic number.

4049319 is a deficient number, since it is larger than the sum of its proper divisors (1349777).

4049319 is a wasteful number, since it uses less digits than its factorization.

4049319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349776.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4049319 is about 2012.2919768264. The cubic root of 4049319 is about 159.3898506731.

The spelling of 4049319 in words is "four million, forty-nine thousand, three hundred nineteen".