97290 has 48 divisors (see below), whose sum is σ = 269568. Its totient is φ = 24288.

The previous prime is 97283. The next prime is 97301. The reversal of 97290 is 9279.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

97290 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2047 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (5616).

2⁹⁷²⁹⁰ is an apocalyptic number.

97290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134784).

97290 is an abundant number, since it is smaller than the sum of its proper divisors (172278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97290 is a wasteful number, since it uses less digits than its factorization.

97290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 97290 is about 311.9134495337. The cubic root of 97290 is about 45.9927524814.

The spelling of 97290 in words is "ninety-seven thousand, two hundred ninety".