4049597 has 4 divisors (see below), whose sum is σ = 4057020. Its totient is φ = 4042176.

The previous prime is 4049593. The next prime is 4049609. The reversal of 4049597 is 7959404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2343961 + 1705636 = 1531^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049597 - 2² = 4049593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4049597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049593) 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, 2822 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (1014255).

Almost surely, 2^4049597 is an apocalyptic number.

It is an amenable number.

4049597 is a deficient number, since it is larger than the sum of its proper divisors (7423).

4049597 is an equidigital number, since it uses as much as digits as its factorization.

4049597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4049597 is about 2012.3610511039. The cubic root of 4049597 is about 159.3934981477.

It can be divided in two parts, 404 and 9597, that added together give a palindrome (10001).

The spelling of 4049597 in words is "four million, forty-nine thousand, five hundred ninety-seven".