98268809 has 4 divisors (see below), whose sum is σ = 98288640. Its totient is φ = 98248980.

The previous prime is 98268773. The next prime is 98268827. The reversal of 98268809 is 90886289.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90886289 = 13 ⋅6991253.

It is a cyclic number.

It is not a de Polignac number, because 98268809 - 2²⁴ = 81491593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98268829) 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, 4664 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (24572160).

Almost surely, 2^98268809 is an apocalyptic number.

It is an amenable number.

98268809 is a deficient number, since it is larger than the sum of its proper divisors (19831).

98268809 is a wasteful number, since it uses less digits than its factorization.

98268809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19830.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 98268809 is about 9913.0625439367. The cubic root of 98268809 is about 461.4647840889.

The spelling of 98268809 in words is "ninety-eight million, two hundred sixty-eight thousand, eight hundred nine".