98586491 has 4 divisors (see below), whose sum is σ = 98782992. Its totient is φ = 98389992.

The previous prime is 98586473. The next prime is 98586503. The reversal of 98586491 is 19468589.

It is a happy number.

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 98586491 - 2¹⁰ = 98585467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98516491) 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, 97496 + ... + 98501.

It is an arithmetic number, because the mean of its divisors is an integer number (24695748).

Almost surely, 2^98586491 is an apocalyptic number.

98586491 is a deficient number, since it is larger than the sum of its proper divisors (196501).

98586491 is a wasteful number, since it uses less digits than its factorization.

98586491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196500.

The product of its digits is 622080, while the sum is 50.

The square root of 98586491 is about 9929.0730181624. The cubic root of 98586491 is about 461.9615214419.

The spelling of 98586491 in words is "ninety-eight million, five hundred eighty-six thousand, four hundred ninety-one".