98921902 has 4 divisors (see below), whose sum is σ = 148382856. Its totient is φ = 49460950.

The previous prime is 98921863. The next prime is 98921909. The reversal of 98921902 is 20912989.

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

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98921909) 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 as a sum of consecutive naturals, namely, 24730474 + ... + 24730477.

It is an arithmetic number, because the mean of its divisors is an integer number (37095714).

Almost surely, 2^98921902 is an apocalyptic number.

98921902 is a deficient number, since it is larger than the sum of its proper divisors (49460954).

98921902 is a wasteful number, since it uses less digits than its factorization.

98921902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49460953.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 98921902 is about 9945.9490246029. The cubic root of 98921902 is about 462.4848236559.

The spelling of 98921902 in words is "ninety-eight million, nine hundred twenty-one thousand, nine hundred two".