440838 has 24 divisors (see below), whose sum is σ = 1006200. Its totient is φ = 139104.

The previous prime is 440831. The next prime is 440849. The reversal of 440838 is 838044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (41925).

2⁴⁴⁰⁸³⁸ is an apocalyptic number.

440838 is an abundant number, since it is smaller than the sum of its proper divisors (565362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440838 is a wasteful number, since it uses less digits than its factorization.

440838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 440838 is about 663.9563238648. The cubic root of 440838 is about 76.1073045655.

The spelling of 440838 in words is "four hundred forty thousand, eight hundred thirty-eight".