971287382 has 32 divisors (see below), whose sum is σ = 1601782560. Its totient is φ = 438981120.

The previous prime is 971287379. The next prime is 971287403. The reversal of 971287382 is 283782179.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 448382 + ... + 450542.

It is an arithmetic number, because the mean of its divisors is an integer number (50055705).

Almost surely, 2^971287382 is an apocalyptic number.

971287382 is a deficient number, since it is larger than the sum of its proper divisors (630495178).

971287382 is a wasteful number, since it uses less digits than its factorization.

971287382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its digits is 338688, while the sum is 47.

The square root of 971287382 is about 31165.4838242566. The cubic root of 971287382 is about 990.3360359790.

The spelling of 971287382 in words is "nine hundred seventy-one million, two hundred eighty-seven thousand, three hundred eighty-two".