485891 has 8 divisors (see below), whose sum is σ = 569184. Its totient is φ = 406080.

The previous prime is 485833. The next prime is 485893. The reversal of 485891 is 198584.

485891 = T₁₃₃ + T₁₃₄ + ... + T₁₇₃.

485891 = 38³ + 39³ + ... + 44³.

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 485891 - 2⁶ = 485827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485893) 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, 560 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

2⁴⁸⁵⁸⁹¹ is an apocalyptic number.

485891 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

485891 is a deficient number, since it is larger than the sum of its proper divisors (83293).

485891 is a wasteful number, since it uses less digits than its factorization.

485891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its digits is 11520, while the sum is 35.

The square root of 485891 is about 697.0588210474. The cubic root of 485891 is about 78.6163635923.

The spelling of 485891 in words is "four hundred eighty-five thousand, eight hundred ninety-one".