440978 has 8 divisors (see below), whose sum is σ = 670080. Its totient is φ = 217620.

The previous prime is 440959. The next prime is 440983. The reversal of 440978 is 879044.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (83760).

2⁴⁴⁰⁹⁷⁸ is an apocalyptic number.

440978 is a deficient number, since it is larger than the sum of its proper divisors (229102).

440978 is a wasteful number, since it uses less digits than its factorization.

440978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 440978 is about 664.0617441172. The cubic root of 440978 is about 76.1153603554.

The spelling of 440978 in words is "four hundred forty thousand, nine hundred seventy-eight".