4049897 has 2 divisors, whose sum is σ = 4049898. Its totient is φ = 4049896.

The previous prime is 4049891. The next prime is 4049921. The reversal of 4049897 is 7989404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4044121 + 5776 = 2011^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 4049897 - 2⁶ = 4049833 is a prime.

It is not a weakly prime, because it can be changed into another prime (4049891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024948 + 2024949.

It is an arithmetic number, because the mean of its divisors is an integer number (2024949).

Almost surely, 2^4049897 is an apocalyptic number.

It is an amenable number.

4049897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4049897 is an equidigital number, since it uses as much as digits as its factorization.

4049897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4049897 is about 2012.4355890314. The cubic root of 4049897 is about 159.3974340841.

It can be divided in two parts, 404 and 9897, that added together give a palindrome (10301).

The spelling of 4049897 in words is "four million, forty-nine thousand, eight hundred ninety-seven".