4049997 has 12 divisors (see below), whose sum is σ = 6281856. Its totient is φ = 2314200.

The previous prime is 4049989. The next prime is 4050019. The reversal of 4049997 is 7999404.

It is not a de Polignac number, because 4049997 - 2³ = 4049989 is a prime.

4049997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049977) 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 11 ways as a sum of consecutive naturals, for example, 13629 + ... + 13922.

It is an arithmetic number, because the mean of its divisors is an integer number (523488).

Almost surely, 2^4049997 is an apocalyptic number.

It is an amenable number.

4049997 is a deficient number, since it is larger than the sum of its proper divisors (2231859).

4049997 is a wasteful number, since it uses less digits than its factorization.

4049997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27568 (or 27561 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 4049997 is about 2012.4604343937. The cubic root of 4049997 is about 159.3987460197.

It can be divided in two parts, 404 and 9997, that added together give a palindrome (10401).

The spelling of 4049997 in words is "four million, forty-nine thousand, nine hundred ninety-seven".