971809341 has 16 divisors (see below), whose sum is σ = 1310731968. Its totient is φ = 640396800.

The previous prime is 971809327. The next prime is 971809357. The reversal of 971809341 is 143908179.

It is a happy number.

It is not a de Polignac number, because 971809341 - 2⁵ = 971809309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 971809293 and 971809302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971802341) by changing a digit.

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, 315951 + ... + 319011.

It is an arithmetic number, because the mean of its divisors is an integer number (81920748).

Almost surely, 2^971809341 is an apocalyptic number.

It is an amenable number.

971809341 is a deficient number, since it is larger than the sum of its proper divisors (338922627).

971809341 is a wasteful number, since it uses less digits than its factorization.

971809341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 971809341 is about 31173.8566911443. The cubic root of 971809341 is about 990.5134027225.

The spelling of 971809341 in words is "nine hundred seventy-one million, eight hundred nine thousand, three hundred forty-one".