440849 has 2 divisors, whose sum is σ = 440850. Its totient is φ = 440848.

The previous prime is 440831. The next prime is 440863. The reversal of 440849 is 948044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 110224 = 575^2 + 332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220424 + 220425.

It is an arithmetic number, because the mean of its divisors is an integer number (220425).

2⁴⁴⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

440849 is a deficient number, since it is larger than the sum of its proper divisors (1).

440849 is an equidigital number, since it uses as much as digits as its factorization.

440849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 440849 is about 663.9646074905. The cubic root of 440849 is about 76.1079375822.

The spelling of 440849 in words is "four hundred forty thousand, eight hundred forty-nine".