4049137 has 4 divisors (see below), whose sum is σ = 4055796. Its totient is φ = 4042480.

The previous prime is 4049131. The next prime is 4049153. The reversal of 4049137 is 7319404.

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 2202256 + 1846881 = 1484^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049137 - 2¹¹ = 4047089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049131) 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 3 ways as a sum of consecutive naturals, for example, 2314 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (1013949).

Almost surely, 2^4049137 is an apocalyptic number.

It is an amenable number.

4049137 is a deficient number, since it is larger than the sum of its proper divisors (6659).

4049137 is an equidigital number, since it uses as much as digits as its factorization.

4049137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 4049137 is about 2012.2467542526. The cubic root of 4049137 is about 159.3874626676.

It can be divided in two parts, 4049 and 137, that added together give a triangular number (4186 = T₉₁).

The spelling of 4049137 in words is "four million, forty-nine thousand, one hundred thirty-seven".