98809387 has 4 divisors (see below), whose sum is σ = 98901376. Its totient is φ = 98717400.

The previous prime is 98809379. The next prime is 98809393. The reversal of 98809387 is 78390889.

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

It is a cyclic number.

It is not a de Polignac number, because 98809387 - 2³ = 98809379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98809397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44364 + ... + 46537.

It is an arithmetic number, because the mean of its divisors is an integer number (24725344).

Almost surely, 2^98809387 is an apocalyptic number.

98809387 is a deficient number, since it is larger than the sum of its proper divisors (91989).

98809387 is a wasteful number, since it uses less digits than its factorization.

98809387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91988.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 98809387 is about 9940.2910923172. The cubic root of 98809387 is about 462.3094118063.

The spelling of 98809387 in words is "ninety-eight million, eight hundred nine thousand, three hundred eighty-seven".