971930 has 16 divisors (see below), whose sum is σ = 1772064. Its totient is φ = 383760.

The previous prime is 971921. The next prime is 971933. The reversal of 971930 is 39179.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 971893 and 971902.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 971930.

It is not an unprimeable number, because it can be changed into a prime (971933) by changing a digit.

971930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 1415.

It is an arithmetic number, because the mean of its divisors is an integer number (110754).

2⁹⁷¹⁹³⁰ is an apocalyptic number.

971930 is a deficient number, since it is larger than the sum of its proper divisors (800134).

971930 is a wasteful number, since it uses less digits than its factorization.

971930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 971930 is about 985.8651023340. The cubic root of 971930 is about 99.0554394786.

The spelling of 971930 in words is "nine hundred seventy-one thousand, nine hundred thirty".