485691 has 8 divisors (see below), whose sum is σ = 675840. Its totient is φ = 309672.

The previous prime is 485689. The next prime is 485701. The reversal of 485691 is 196584.

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

It is not a de Polignac number, because 485691 - 2¹ = 485689 is a prime.

485691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (485671) 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, 3451 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (84480).

2⁴⁸⁵⁶⁹¹ is an apocalyptic number.

485691 is a deficient number, since it is larger than the sum of its proper divisors (190149).

485691 is a wasteful number, since it uses less digits than its factorization.

485691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065.

The product of its digits is 8640, while the sum is 33.

The square root of 485691 is about 696.9153463657. The cubic root of 485691 is about 78.6055755551.

It can be divided in two parts, 485 and 691, that added together give a triangular number (1176 = T₄₈).

The spelling of 485691 in words is "four hundred eighty-five thousand, six hundred ninety-one".