97691936 has 12 divisors (see below), whose sum is σ = 192331062. Its totient is φ = 48845952.

The previous prime is 97691929. The next prime is 97691941. The reversal of 97691936 is 63919679.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 25441936 = 8500^2 + 5044^2 .

It is an unprimeable 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 as a sum of consecutive naturals, namely, 1526405 + ... + 1526468.

Almost surely, 2^97691936 is an apocalyptic number.

It is an amenable number.

97691936 is a deficient number, since it is larger than the sum of its proper divisors (94639126).

97691936 is a wasteful number, since it uses less digits than its factorization.

97691936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052883 (or 3052875 counting only the distinct ones).

The product of its digits is 551124, while the sum is 50.

The square root of 97691936 is about 9883.9231077543. The cubic root of 97691936 is about 460.5600236607.

The spelling of 97691936 in words is "ninety-seven million, six hundred ninety-one thousand, nine hundred thirty-six".