441997 has 8 divisors (see below), whose sum is σ = 476960. Its totient is φ = 408240.

The previous prime is 441971. The next prime is 442003. The reversal of 441997 is 799144.

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

It is a cyclic number.

It is not a de Polignac number, because 441997 - 2¹¹ = 439949 is a prime.

It is a super-2 number, since 2×441997² = 390722696018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (59620).

2⁴⁴¹⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

441997 is a deficient number, since it is larger than the sum of its proper divisors (34963).

441997 is a wasteful number, since it uses less digits than its factorization.

441997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its digits is 9072, while the sum is 34.

The square root of 441997 is about 664.8285493268. The cubic root of 441997 is about 76.1739436909.

The spelling of 441997 in words is "four hundred forty-one thousand, nine hundred ninety-seven".