971438485 has 8 divisors (see below), whose sum is σ = 1167462360. Its totient is φ = 775993344.

The previous prime is 971438459. The next prime is 971438581. The reversal of 971438485 is 584834179.

It can be written as a sum of positive squares in 4 ways, for example, as 81848209 + 889590276 = 9047^2 + 29826^2 .

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 971438485 - 2⁵ = 971438453 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 140980 + ... + 147709.

It is an arithmetic number, because the mean of its divisors is an integer number (145932795).

Almost surely, 2^971438485 is an apocalyptic number.

It is an amenable number.

971438485 is a deficient number, since it is larger than the sum of its proper divisors (196023875).

971438485 is a wasteful number, since it uses less digits than its factorization.

971438485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289367.

The product of its digits is 967680, while the sum is 49.

The square root of 971438485 is about 31167.9079342839. The cubic root of 971438485 is about 990.3873887813.

The spelling of 971438485 in words is "nine hundred seventy-one million, four hundred thirty-eight thousand, four hundred eighty-five".