97198238 has 8 divisors (see below), whose sum is σ = 145852488. Its totient is φ = 48580744.

The previous prime is 97198217. The next prime is 97198261. The reversal of 97198238 is 83289179.

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

It is a junction number, because it is equal to n+sod(n) for n = 97198192 and 97198201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 13992.

It is an arithmetic number, because the mean of its divisors is an integer number (18231561).

Almost surely, 2^97198238 is an apocalyptic number.

97198238 is a deficient number, since it is larger than the sum of its proper divisors (48654250).

97198238 is a wasteful number, since it uses less digits than its factorization.

97198238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18378.

The product of its digits is 217728, while the sum is 47.

The square root of 97198238 is about 9858.9166747671. The cubic root of 97198238 is about 459.7828811535.

The spelling of 97198238 in words is "ninety-seven million, one hundred ninety-eight thousand, two hundred thirty-eight".