97699 has 8 divisors (see below), whose sum is σ = 118368. Its totient is φ = 78720.

The previous prime is 97687. The next prime is 97711. The reversal of 97699 is 99679.

It is an interprime number because it is at equal distance from previous prime (97687) and next prime (97711).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97699 - 2⁷ = 97571 is a prime.

It is a Duffinian number.

97699 is a lucky number.

It is a plaindrome in base 5.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (97609) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 292 + ... + 529.

It is an arithmetic number, because the mean of its divisors is an integer number (14796).

2⁹⁷⁶⁹⁹ is an apocalyptic number.

97699 is a deficient number, since it is larger than the sum of its proper divisors (20669).

97699 is a wasteful number, since it uses less digits than its factorization.

97699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 30618, while the sum is 40.

The square root of 97699 is about 312.5683925159. The cubic root of 97699 is about 46.0571124262.

Subtracting from 97699 its product of digits (30618), we obtain a square (67081 = 259²).

The spelling of 97699 in words is "ninety-seven thousand, six hundred ninety-nine".