97898218 has 8 divisors (see below), whose sum is σ = 160197120. Its totient is φ = 44499180.

The previous prime is 97898209. The next prime is 97898219. The reversal of 97898218 is 81289879.

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

It is a super-2 number, since 2×97898218² = 19168122175151048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97898219) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2224938 + ... + 2224981.

It is an arithmetic number, because the mean of its divisors is an integer number (20024640).

Almost surely, 2^97898218 is an apocalyptic number.

97898218 is a deficient number, since it is larger than the sum of its proper divisors (62298902).

97898218 is a wasteful number, since it uses less digits than its factorization.

97898218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449932.

The product of its digits is 580608, while the sum is 52.

The square root of 97898218 is about 9894.3528338138. The cubic root of 97898218 is about 460.8839618668.

The spelling of 97898218 in words is "ninety-seven million, eight hundred ninety-eight thousand, two hundred eighteen".