9970198 has 8 divisors (see below), whose sum is σ = 17091792. Its totient is φ = 4272936.

The previous prime is 9970183. The next prime is 9970223. The reversal of 9970198 is 8910799.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356065 + ... + 356092.

It is an arithmetic number, because the mean of its divisors is an integer number (2136474).

Almost surely, 2^9970198 is an apocalyptic number.

9970198 is a deficient number, since it is larger than the sum of its proper divisors (7121594).

9970198 is a wasteful number, since it uses less digits than its factorization.

9970198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712166.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 9970198 is about 3157.5620342283. The cubic root of 9970198 is about 215.2292344994.

It can be divided in two parts, 99701 and 98, that added together give a palindrome (99799).

The spelling of 9970198 in words is "nine million, nine hundred seventy thousand, one hundred ninety-eight".