98233391 has 4 divisors (see below), whose sum is σ = 102504432. Its totient is φ = 93962352.

The previous prime is 98233349. The next prime is 98233397. The reversal of 98233391 is 19333289.

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-98233391 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 (98233397) 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, 2135486 + ... + 2135531.

It is an arithmetic number, because the mean of its divisors is an integer number (25626108).

Almost surely, 2^98233391 is an apocalyptic number.

98233391 is a deficient number, since it is larger than the sum of its proper divisors (4271041).

98233391 is a wasteful number, since it uses less digits than its factorization.

98233391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271040.

The product of its digits is 34992, while the sum is 38.

The square root of 98233391 is about 9911.2759521668. The cubic root of 98233391 is about 461.4093371169.

The spelling of 98233391 in words is "ninety-eight million, two hundred thirty-three thousand, three hundred ninety-one".