98121874 has 4 divisors (see below), whose sum is σ = 147182814. Its totient is φ = 49060936.

The previous prime is 98121869. The next prime is 98121899. The reversal of 98121874 is 47812189.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 64400625 + 33721249 = 8025^2 + 5807^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

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 as a sum of consecutive naturals, namely, 24530467 + ... + 24530470.

Almost surely, 2^98121874 is an apocalyptic number.

98121874 is a deficient number, since it is larger than the sum of its proper divisors (49060940).

98121874 is a wasteful number, since it uses less digits than its factorization.

98121874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49060939.

The product of its digits is 32256, while the sum is 40.

The square root of 98121874 is about 9905.6485905770. The cubic root of 98121874 is about 461.2346698685.

The spelling of 98121874 in words is "ninety-eight million, one hundred twenty-one thousand, eight hundred seventy-four".