485921 has 8 divisors (see below), whose sum is σ = 521664. Its totient is φ = 451440.

The previous prime is 485909. The next prime is 485923. The reversal of 485921 is 129584.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485921 is a prime.

It is a super-2 number, since 2×485921² = 472238436482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485923) 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, 566 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (65208).

2⁴⁸⁵⁹²¹ is an apocalyptic number.

It is an amenable number.

485921 is a deficient number, since it is larger than the sum of its proper divisors (35743).

485921 is a wasteful number, since it uses less digits than its factorization.

485921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 2880, while the sum is 29.

The square root of 485921 is about 697.0803397027. The cubic root of 485921 is about 78.6179815425.

The spelling of 485921 in words is "four hundred eighty-five thousand, nine hundred twenty-one".