98400311 has 4 divisors (see below), whose sum is σ = 98841792. Its totient is φ = 97958832.

The previous prime is 98400271. The next prime is 98400319. The reversal of 98400311 is 11300489.

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 98400311 - 2¹⁴ = 98383927 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 (98400319) 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, 220406 + ... + 220851.

It is an arithmetic number, because the mean of its divisors is an integer number (24710448).

Almost surely, 2^98400311 is an apocalyptic number.

98400311 is a deficient number, since it is larger than the sum of its proper divisors (441481).

98400311 is a wasteful number, since it uses less digits than its factorization.

98400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441480.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 98400311 is about 9919.6930900104. The cubic root of 98400311 is about 461.6705343302.

The spelling of 98400311 in words is "ninety-eight million, four hundred thousand, three hundred eleven".