97929993 has 32 divisors (see below), whose sum is σ = 152340480. Its totient is φ = 54806400.

The previous prime is 97929983. The next prime is 97930033. The reversal of 97929993 is 39992979.

It is not a de Polignac number, because 97929993 - 2⁴ = 97929977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97929943) 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 31 ways as a sum of consecutive naturals, for example, 282046 + ... + 282392.

It is an arithmetic number, because the mean of its divisors is an integer number (4760640).

Almost surely, 2^97929993 is an apocalyptic number.

It is an amenable number.

97929993 is a deficient number, since it is larger than the sum of its proper divisors (54410487).

97929993 is a wasteful number, since it uses less digits than its factorization.

97929993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its digits is 2480058, while the sum is 57.

The square root of 97929993 is about 9895.9584174551. The cubic root of 97929993 is about 460.9338197841.

The spelling of 97929993 in words is "ninety-seven million, nine hundred twenty-nine thousand, nine hundred ninety-three".