4049445 has 16 divisors (see below), whose sum is σ = 6544512. Its totient is φ = 2137920.

The previous prime is 4049443. The next prime is 4049467. The reversal of 4049445 is 5449404.

It is not a de Polignac number, because 4049445 - 2¹ = 4049443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049443) 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, 235 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (409032).

Almost surely, 2^4049445 is an apocalyptic number.

It is an amenable number.

4049445 is a deficient number, since it is larger than the sum of its proper divisors (2495067).

4049445 is a wasteful number, since it uses less digits than its factorization.

4049445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4049445 is about 2012.3232841668. The cubic root of 4049445 is about 159.3915038657.

The spelling of 4049445 in words is "four million, forty-nine thousand, four hundred forty-five".