444869 has 2 divisors, whose sum is σ = 444870. Its totient is φ = 444868.

The previous prime is 444863. The next prime is 444877. The reversal of 444869 is 968444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 114244 = 575^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 444869 - 2¹² = 440773 is a prime.

It is a super-2 number, since 2×444869² = 395816854322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444869.

It is not a weakly prime, because it can be changed into another prime (444863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222434 + 222435.

It is an arithmetic number, because the mean of its divisors is an integer number (222435).

2⁴⁴⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

444869 is a deficient number, since it is larger than the sum of its proper divisors (1).

444869 is an equidigital number, since it uses as much as digits as its factorization.

444869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 444869 is about 666.9850073278. The cubic root of 444869 is about 76.3385748431.

It can be divided in two parts, 44 and 4869, that added together give a cube (4913 = 17³).

The spelling of 444869 in words is "four hundred forty-four thousand, eight hundred sixty-nine".