98653209 has 4 divisors (see below), whose sum is σ = 131537616. Its totient is φ = 65768804.

The previous prime is 98653201. The next prime is 98653213. The reversal of 98653209 is 90235689.

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: 90235689 = 3 ⋅30078563.

It is a cyclic number.

It is not a de Polignac number, because 98653209 - 2³ = 98653201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98653201) 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, 16442199 + ... + 16442204.

It is an arithmetic number, because the mean of its divisors is an integer number (32884404).

Almost surely, 2^98653209 is an apocalyptic number.

It is an amenable number.

98653209 is a deficient number, since it is larger than the sum of its proper divisors (32884407).

98653209 is a wasteful number, since it uses less digits than its factorization.

98653209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32884406.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 98653209 is about 9932.4321794815. The cubic root of 98653209 is about 462.0657081258.

The spelling of 98653209 in words is "ninety-eight million, six hundred fifty-three thousand, two hundred nine".