485997 has 4 divisors (see below), whose sum is σ = 648000. Its totient is φ = 323996.

The previous prime is 485993. The next prime is 486023. The reversal of 485997 is 799584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485997 - 2² = 485993 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80997 + ... + 81002.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2⁴⁸⁵⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

485997 is a deficient number, since it is larger than the sum of its proper divisors (162003).

485997 is a wasteful number, since it uses less digits than its factorization.

485997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162002.

The product of its digits is 90720, while the sum is 42.

The square root of 485997 is about 697.1348506566. The cubic root of 485997 is about 78.6220800518.

The spelling of 485997 in words is "four hundred eighty-five thousand, nine hundred ninety-seven".