485785491 has 8 divisors (see below), whose sum is σ = 662777280. Its totient is φ = 316325352.

The previous prime is 485785481. The next prime is 485785493. The reversal of 485785491 is 194587584.

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

It is not a de Polignac number, because 485785491 - 2²³ = 477396883 is a prime.

It is a super-2 number, since 2×485785491² = 471975086532222162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485785493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882761 + ... + 1883018.

It is an arithmetic number, because the mean of its divisors is an integer number (82847160).

Almost surely, 2^485785491 is an apocalyptic number.

485785491 is a deficient number, since it is larger than the sum of its proper divisors (176991789).

485785491 is a wasteful number, since it uses less digits than its factorization.

485785491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765825.

The product of its digits is 1612800, while the sum is 51.

The square root of 485785491 is about 22040.5419851691. The cubic root of 485785491 is about 786.1067278623.

The spelling of 485785491 in words is "four hundred eighty-five million, seven hundred eighty-five thousand, four hundred ninety-one".