98870724 has 18 divisors (see below), whose sum is σ = 249923310. Its totient is φ = 32956896.

The previous prime is 98870713. The next prime is 98870729. The reversal of 98870724 is 42707889.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 32285124 = 8160^2 + 5682^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 98870724.

It is not an unprimeable number, because it can be changed into a prime (98870729) 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 5 ways as a sum of consecutive naturals, for example, 1373169 + ... + 1373240.

Almost surely, 2^98870724 is an apocalyptic number.

It is an amenable number.

98870724 is an abundant number, since it is smaller than the sum of its proper divisors (151052586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98870724 is a wasteful number, since it uses less digits than its factorization.

98870724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746419 (or 2746414 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 98870724 is about 9943.3758854828. The cubic root of 98870724 is about 462.4050532148.

The spelling of 98870724 in words is "ninety-eight million, eight hundred seventy thousand, seven hundred twenty-four".