4049619 has 16 divisors (see below), whose sum is σ = 6251520. Its totient is φ = 2283840.

The previous prime is 4049609. The next prime is 4049707. The reversal of 4049619 is 9169404.

It is not a de Polignac number, because 4049619 - 2⁹ = 4049107 is a prime.

It is a super-2 number, since 2×4049619² = 32798828090322, which contains 22 as substring.

4049619 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4049619.

It is not an unprimeable number, because it can be changed into a prime (4049609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (390720).

Almost surely, 2^4049619 is an apocalyptic number.

4049619 is a deficient number, since it is larger than the sum of its proper divisors (2201901).

4049619 is a wasteful number, since it uses less digits than its factorization.

4049619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4049619 is about 2012.3665173124. The cubic root of 4049619 is about 159.3937867896.

The spelling of 4049619 in words is "four million, forty-nine thousand, six hundred nineteen".