485971538 has 8 divisors (see below), whose sum is σ = 785030988. Its totient is φ = 224294544.

The previous prime is 485971523. The next prime is 485971553. The reversal of 485971538 is 835179584.

It is an interprime number because it is at equal distance from previous prime (485971523) and next prime (485971553).

It can be written as a sum of positive squares in 2 ways, for example, as 415629769 + 70341769 = 20387^2 + 8387^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345581 + ... + 9345632.

Almost surely, 2^485971538 is an apocalyptic number.

485971538 is a deficient number, since it is larger than the sum of its proper divisors (299059450).

485971538 is a wasteful number, since it uses less digits than its factorization.

485971538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18691228.

The product of its digits is 1209600, while the sum is 50.

The square root of 485971538 is about 22044.7621443281. The cubic root of 485971538 is about 786.2070699092.

The spelling of 485971538 in words is "four hundred eighty-five million, nine hundred seventy-one thousand, five hundred thirty-eight".