97697398 has 4 divisors (see below), whose sum is σ = 146546100. Its totient is φ = 48848698.

The previous prime is 97697381. The next prime is 97697407. The reversal of 97697398 is 89379679.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24424348 + ... + 24424351.

It is an arithmetic number, because the mean of its divisors is an integer number (36636525).

Almost surely, 2^97697398 is an apocalyptic number.

97697398 is a deficient number, since it is larger than the sum of its proper divisors (48848702).

97697398 is a wasteful number, since it uses less digits than its factorization.

97697398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48848701.

The product of its digits is 5143824, while the sum is 58.

The square root of 97697398 is about 9884.1994111815. The cubic root of 97697398 is about 460.5686068733.

The spelling of 97697398 in words is "ninety-seven million, six hundred ninety-seven thousand, three hundred ninety-eight".