485491 has 4 divisors (see below), whose sum is σ = 501184. Its totient is φ = 469800.

The previous prime is 485479. The next prime is 485497. The reversal of 485491 is 194584.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485491 - 2⁷ = 485363 is a prime.

It is a super-2 number, since 2×485491² = 471403022162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 15661 = 485491 / (4 + 8 + 5 + 4 + 9 + 1).

It is a Duffinian number.

485491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (485497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7800 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (125296).

2⁴⁸⁵⁴⁹¹ is an apocalyptic number.

485491 is a deficient number, since it is larger than the sum of its proper divisors (15693).

485491 is a wasteful number, since it uses less digits than its factorization.

485491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692.

The product of its digits is 5760, while the sum is 31.

The square root of 485491 is about 696.7718421406. The cubic root of 485491 is about 78.5947845560.

The spelling of 485491 in words is "four hundred eighty-five thousand, four hundred ninety-one".