98860909 has 4 divisors (see below), whose sum is σ = 112983904. Its totient is φ = 84737916.

The previous prime is 98860901. The next prime is 98860973. The reversal of 98860909 is 90906889.

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: 90906889 = 4691 ⋅19379.

It is a cyclic number.

It is not a de Polignac number, because 98860909 - 2³ = 98860901 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 (98860901) 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, 7061487 + ... + 7061500.

It is an arithmetic number, because the mean of its divisors is an integer number (28245976).

Almost surely, 2^98860909 is an apocalyptic number.

It is an amenable number.

98860909 is a deficient number, since it is larger than the sum of its proper divisors (14122995).

98860909 is a wasteful number, since it uses less digits than its factorization.

98860909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14122994.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 98860909 is about 9942.8823285806. The cubic root of 98860909 is about 462.3897515643.

The spelling of 98860909 in words is "ninety-eight million, eight hundred sixty thousand, nine hundred nine".