440878 has 8 divisors (see below), whose sum is σ = 700272. Its totient is φ = 207456.

The previous prime is 440863. The next prime is 440893. The reversal of 440878 is 878044.

It is an interprime number because it is at equal distance from previous prime (440863) and next prime (440893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

440878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6450 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (87534).

2⁴⁴⁰⁸⁷⁸ is an apocalyptic number.

440878 is a deficient number, since it is larger than the sum of its proper divisors (259394).

440878 is a wasteful number, since it uses less digits than its factorization.

440878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 440878 is about 663.9864456448. The cubic root of 440878 is about 76.1096063938.

The spelling of 440878 in words is "four hundred forty thousand, eight hundred seventy-eight".