440870 has 8 divisors (see below), whose sum is σ = 793584. Its totient is φ = 176344.

The previous prime is 440863. The next prime is 440893. The reversal of 440870 is 78044.

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

It is a congruent number.

It is an unprimeable number.

440870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22034 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (99198).

2⁴⁴⁰⁸⁷⁰ is an apocalyptic number.

440870 is a deficient number, since it is larger than the sum of its proper divisors (352714).

440870 is a wasteful number, since it uses less digits than its factorization.

440870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44094.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 440870 is about 663.9804213981. The cubic root of 440870 is about 76.1091460393.

The spelling of 440870 in words is "four hundred forty thousand, eight hundred seventy".