97931996 has 12 divisors (see below), whose sum is σ = 171450552. Its totient is φ = 48946128.

The previous prime is 97931993. The next prime is 97932001. The reversal of 97931996 is 69913979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97931993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15386 + ... + 20798.

It is an arithmetic number, because the mean of its divisors is an integer number (14287546).

Almost surely, 2^97931996 is an apocalyptic number.

It is an amenable number.

97931996 is a deficient number, since it is larger than the sum of its proper divisors (73518556).

97931996 is a wasteful number, since it uses less digits than its factorization.

97931996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940 (or 9938 counting only the distinct ones).

The product of its digits is 826686, while the sum is 53.

The square root of 97931996 is about 9896.0596198689. The cubic root of 97931996 is about 460.9369623152.

The spelling of 97931996 in words is "ninety-seven million, nine hundred thirty-one thousand, nine hundred ninety-six".