440493 has 8 divisors (see below), whose sum is σ = 590400. Its totient is φ = 292128.

The previous prime is 440471. The next prime is 440497. The reversal of 440493 is 394044.

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

It is not a de Polignac number, because 440493 - 2⁹ = 439981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440497) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 873 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (73800).

2⁴⁴⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

440493 is a deficient number, since it is larger than the sum of its proper divisors (149907).

440493 is a wasteful number, since it uses less digits than its factorization.

440493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 440493 is about 663.6964667678. The cubic root of 440493 is about 76.0874455148.

The spelling of 440493 in words is "four hundred forty thousand, four hundred ninety-three".