97289 has 4 divisors (see below), whose sum is σ = 97920. Its totient is φ = 96660.

The previous prime is 97283. The next prime is 97301. The reversal of 97289 is 98279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98279 = 23 ⋅4273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97289 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (97283) 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, 92 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2⁹⁷²⁸⁹ is an apocalyptic number.

It is an amenable number.

97289 is a deficient number, since it is larger than the sum of its proper divisors (631).

97289 is a wasteful number, since it uses less digits than its factorization.

97289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 9072, while the sum is 35.

The square root of 97289 is about 311.9118465208. The cubic root of 97289 is about 45.9925949012.

Subtracting 97289 from its reverse (98279), we obtain a triangular number (990 = T₄₄).

The spelling of 97289 in words is "ninety-seven thousand, two hundred eighty-nine".