440329 has 2 divisors, whose sum is σ = 440330. Its totient is φ = 440328.

The previous prime is 440311. The next prime is 440333. The reversal of 440329 is 923044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 121104 = 565^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 440329 - 2¹¹ = 438281 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (440339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220164 + 220165.

It is an arithmetic number, because the mean of its divisors is an integer number (220165).

2⁴⁴⁰³²⁹ is an apocalyptic number.

It is an amenable number.

440329 is a deficient number, since it is larger than the sum of its proper divisors (1).

440329 is an equidigital number, since it uses as much as digits as its factorization.

440329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 440329 is about 663.5729048115. The cubic root of 440329 is about 76.0780016341.

The spelling of 440329 in words is "four hundred forty thousand, three hundred twenty-nine".