97691948 has 12 divisors (see below), whose sum is σ = 178394160. Its totient is φ = 46722192.

The previous prime is 97691941. The next prime is 97691969. The reversal of 97691948 is 84919679.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97691948.

It is not an unprimeable number, because it can be changed into a prime (97691941) 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, 530843 + ... + 531026.

It is an arithmetic number, because the mean of its divisors is an integer number (14866180).

Almost surely, 2^97691948 is an apocalyptic number.

It is an amenable number.

97691948 is a deficient number, since it is larger than the sum of its proper divisors (80702212).

97691948 is a wasteful number, since it uses less digits than its factorization.

97691948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061896 (or 1061894 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 97691948 is about 9883.9237148007. The cubic root of 97691948 is about 460.5600425183.

The spelling of 97691948 in words is "ninety-seven million, six hundred ninety-one thousand, nine hundred forty-eight".