973966916 has 12 divisors (see below), whose sum is σ = 1835553132. Its totient is φ = 449523168.

The previous prime is 973966913. The next prime is 973966921. The reversal of 973966916 is 619669379.

It can be written as a sum of positive squares in 2 ways, for example, as 597606916 + 376360000 = 24446^2 + 19400^2 .

It is a super-2 number, since 2×973966916² = 1897223106925102112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (973966913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9365015 + ... + 9365118.

It is an arithmetic number, because the mean of its divisors is an integer number (152962761).

Almost surely, 2^973966916 is an apocalyptic number.

It is an amenable number.

973966916 is a deficient number, since it is larger than the sum of its proper divisors (861586216).

973966916 is a wasteful number, since it uses less digits than its factorization.

973966916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18730150 (or 18730148 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 56.

The square root of 973966916 is about 31208.4430242843. The cubic root of 973966916 is about 991.2458945936.

The spelling of 973966916 in words is "nine hundred seventy-three million, nine hundred sixty-six thousand, nine hundred sixteen".