98592391 has 4 divisors (see below), whose sum is σ = 98623984. Its totient is φ = 98560800.

The previous prime is 98592371. The next prime is 98592433. The reversal of 98592391 is 19329589.

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

It is a 5-Lehmer number, since φ(98592391) divides (98592391-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 98592391 - 2⁵ = 98592359 is a prime.

It is a deceptive number, since it divides R_98592390.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98592341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10530 + ... + 17551.

It is an arithmetic number, because the mean of its divisors is an integer number (24655996).

Almost surely, 2^98592391 is an apocalyptic number.

98592391 is a deficient number, since it is larger than the sum of its proper divisors (31593).

98592391 is a wasteful number, since it uses less digits than its factorization.

98592391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31592.

The product of its digits is 174960, while the sum is 46.

The square root of 98592391 is about 9929.3701210097. The cubic root of 98592391 is about 461.9707367633.

The spelling of 98592391 in words is "ninety-eight million, five hundred ninety-two thousand, three hundred ninety-one".