440485 has 8 divisors (see below), whose sum is σ = 543096. Its totient is φ = 342720.

The previous prime is 440471. The next prime is 440497. The reversal of 440485 is 584044.

440485 = T₇₀ + T₇₁ + ... + T₁₄₃.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 427716 = 113^2 + 654^2 .

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

It is not a de Polignac number, because 440485 - 2⁹ = 439973 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1006 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (67887).

2⁴⁴⁰⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

440485 is a deficient number, since it is larger than the sum of its proper divisors (102611).

440485 is a wasteful number, since it uses less digits than its factorization.

440485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 440485 is about 663.6904398890. The cubic root of 440485 is about 76.0869848920.

It can be divided in two parts, 4404 and 85, that added together give a square (4489 = 67²).

The spelling of 440485 in words is "four hundred forty thousand, four hundred eighty-five".