97898 has 8 divisors (see below), whose sum is σ = 151680. Its totient is φ = 47340.

The previous prime is 97883. The next prime is 97919. The reversal of 97898 is 89879.

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

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 728 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (18960).

2⁹⁷⁸⁹⁸ is an apocalyptic number.

97898 is a deficient number, since it is larger than the sum of its proper divisors (53782).

97898 is a wasteful number, since it uses less digits than its factorization.

97898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612.

The product of its digits is 36288, while the sum is 41.

The square root of 97898 is about 312.8865609131. The cubic root of 97898 is about 46.0883619767.

The spelling of 97898 in words is "ninety-seven thousand, eight hundred ninety-eight".