98744591 has 12 divisors (see below), whose sum is σ = 108786552. Its totient is φ = 89562000.

The previous prime is 98744587. The next prime is 98744593. The reversal of 98744591 is 19544789.

It is not a de Polignac number, because 98744591 - 2² = 98744587 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 (98744593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83021 + ... + 84201.

It is an arithmetic number, because the mean of its divisors is an integer number (9065546).

Almost surely, 2^98744591 is an apocalyptic number.

98744591 is a deficient number, since it is larger than the sum of its proper divisors (10041961).

98744591 is a wasteful number, since it uses less digits than its factorization.

98744591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1883 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 98744591 is about 9937.0312971229. The cubic root of 98744591 is about 462.2083338556.

The spelling of 98744591 in words is "ninety-eight million, seven hundred forty-four thousand, five hundred ninety-one".