98111407 has 4 divisors (see below), whose sum is σ = 98532720. Its totient is φ = 97690096.

The previous prime is 98111389. The next prime is 98111411. The reversal of 98111407 is 70411189.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98111407 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98111417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210307 + ... + 210772.

It is an arithmetic number, because the mean of its divisors is an integer number (24633180).

Almost surely, 2^98111407 is an apocalyptic number.

98111407 is a deficient number, since it is larger than the sum of its proper divisors (421313).

98111407 is a wasteful number, since it uses less digits than its factorization.

98111407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421312.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 98111407 is about 9905.1202415720. The cubic root of 98111407 is about 461.2182687856.

The spelling of 98111407 in words is "ninety-eight million, one hundred eleven thousand, four hundred seven".