440359 has 4 divisors (see below), whose sum is σ = 447640. Its totient is φ = 433080.

The previous prime is 440347. The next prime is 440371. The reversal of 440359 is 953044.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (440347) and next prime (440371).

It is a cyclic number.

It is not a de Polignac number, because 440359 - 2¹³ = 432167 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3549 + ... + 3670.

It is an arithmetic number, because the mean of its divisors is an integer number (111910).

2⁴⁴⁰³⁵⁹ is an apocalyptic number.

440359 is a deficient number, since it is larger than the sum of its proper divisors (7281).

440359 is an equidigital number, since it uses as much as digits as its factorization.

440359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 440359 is about 663.5955093278. The cubic root of 440359 is about 76.0797293484.

It can be divided in two parts, 44035 and 9, that added together give a palindrome (44044).

The spelling of 440359 in words is "four hundred forty thousand, three hundred fifty-nine".