98866387 has 4 divisors (see below), whose sum is σ = 98898016. Its totient is φ = 98834760.

The previous prime is 98866349. The next prime is 98866403. The reversal of 98866387 is 78366889.

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 98866387 - 2¹⁹ = 98342099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98866337) 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, 10539 + ... + 17572.

It is an arithmetic number, because the mean of its divisors is an integer number (24724504).

Almost surely, 2^98866387 is an apocalyptic number.

98866387 is a deficient number, since it is larger than the sum of its proper divisors (31629).

98866387 is a wasteful number, since it uses less digits than its factorization.

98866387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31628.

The product of its digits is 3483648, while the sum is 55.

The square root of 98866387 is about 9943.1577982048. The cubic root of 98866387 is about 462.3982919278.

The spelling of 98866387 in words is "ninety-eight million, eight hundred sixty-six thousand, three hundred eighty-seven".