971709956 has 12 divisors (see below), whose sum is σ = 1943419968. Its totient is φ = 416447112.

The previous prime is 971709929. The next prime is 971709961. The reversal of 971709956 is 659907179.

971709956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

971709956 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 971709898 and 971709907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17351936 + ... + 17351991.

It is an arithmetic number, because the mean of its divisors is an integer number (161951664).

Almost surely, 2^971709956 is an apocalyptic number.

It is an amenable number.

971709956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971709956 is a wasteful number, since it uses less digits than its factorization.

971709956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34703938 (or 34703936 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 53.

The square root of 971709956 is about 31172.2626063621. The cubic root of 971709956 is about 990.4796356291.

The spelling of 971709956 in words is "nine hundred seventy-one million, seven hundred nine thousand, nine hundred fifty-six".