98491771 has 4 divisors (see below), whose sum is σ = 112562032. Its totient is φ = 84421512.

The previous prime is 98491753. The next prime is 98491787. The reversal of 98491771 is 17719489.

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

It is not a de Polignac number, because 98491771 - 2⁵ = 98491739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98491711) 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, 7035120 + ... + 7035133.

It is an arithmetic number, because the mean of its divisors is an integer number (28140508).

Almost surely, 2^98491771 is an apocalyptic number.

98491771 is a deficient number, since it is larger than the sum of its proper divisors (14070261).

98491771 is a wasteful number, since it uses less digits than its factorization.

98491771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070260.

The product of its digits is 127008, while the sum is 46.

The square root of 98491771 is about 9924.3020409498. The cubic root of 98491771 is about 461.8135261267.

The spelling of 98491771 in words is "ninety-eight million, four hundred ninety-one thousand, seven hundred seventy-one".