446990 has 8 divisors (see below), whose sum is σ = 804600. Its totient is φ = 178792.

The previous prime is 446983. The next prime is 447001. The reversal of 446990 is 99644.

446990 = 385² + 386² + 387².

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

446990 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, 22340 + ... + 22359.

It is an arithmetic number, because the mean of its divisors is an integer number (100575).

2⁴⁴⁶⁹⁹⁰ is an apocalyptic number.

446990 is a deficient number, since it is larger than the sum of its proper divisors (357610).

446990 is a wasteful number, since it uses less digits than its factorization.

446990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44706.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 446990 is about 668.5731074460. The cubic root of 446990 is about 76.4597022443.

The spelling of 446990 in words is "four hundred forty-six thousand, nine hundred ninety".