99964198 has 4 divisors (see below), whose sum is σ = 149946300. Its totient is φ = 49982098.

The previous prime is 99964169. The next prime is 99964211. The reversal of 99964198 is 89146999.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24991048 + ... + 24991051.

It is an arithmetic number, because the mean of its divisors is an integer number (37486575).

Almost surely, 2^99964198 is an apocalyptic number.

99964198 is a deficient number, since it is larger than the sum of its proper divisors (49982102).

99964198 is a wasteful number, since it uses less digits than its factorization.

99964198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49982101.

The product of its digits is 1259712, while the sum is 55.

The square root of 99964198 is about 9998.2097397484. The cubic root of 99964198 is about 464.1034840283.

The spelling of 99964198 in words is "ninety-nine million, nine hundred sixty-four thousand, one hundred ninety-eight".