98989901 has 4 divisors (see below), whose sum is σ = 99951072. Its totient is φ = 98028732.

The previous prime is 98989889. The next prime is 98989903. The reversal of 98989901 is 10998989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98989901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98989903) 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 in 3 ways as a sum of consecutive naturals, for example, 480431 + ... + 480636.

It is an arithmetic number, because the mean of its divisors is an integer number (24987768).

Almost surely, 2^98989901 is an apocalyptic number.

It is an amenable number.

98989901 is a deficient number, since it is larger than the sum of its proper divisors (961171).

98989901 is a wasteful number, since it uses less digits than its factorization.

98989901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961170.

The product of its (nonzero) digits is 419904, while the sum is 53.

The square root of 98989901 is about 9949.3668642783. The cubic root of 98989901 is about 462.5907702047.

The spelling of 98989901 in words is "ninety-eight million, nine hundred eighty-nine thousand, nine hundred one".