440858 has 16 divisors (see below), whose sum is σ = 747360. Its totient is φ = 193200.

The previous prime is 440849. The next prime is 440863. The reversal of 440858 is 858044.

440858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 440858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293 + ... + 983.

It is an arithmetic number, because the mean of its divisors is an integer number (46710).

2⁴⁴⁰⁸⁵⁸ is an apocalyptic number.

440858 is a deficient number, since it is larger than the sum of its proper divisors (306502).

440858 is a wasteful number, since it uses less digits than its factorization.

440858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 440858 is about 663.9713849256. The cubic root of 440858 is about 76.1084554970.

The spelling of 440858 in words is "four hundred forty thousand, eight hundred fifty-eight".