440998 has 8 divisors (see below), whose sum is σ = 664560. Its totient is φ = 219480.

The previous prime is 440989. The next prime is 441011. The reversal of 440998 is 899044.

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

It is a congruent number.

It is an unprimeable number.

440998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 268 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (83070).

2⁴⁴⁰⁹⁹⁸ is an apocalyptic number.

440998 is a deficient number, since it is larger than the sum of its proper divisors (223562).

440998 is a wasteful number, since it uses less digits than its factorization.

440998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 440998 is about 664.0768027871. The cubic root of 440998 is about 76.1165110433.

The spelling of 440998 in words is "four hundred forty thousand, nine hundred ninety-eight".