98749815 has 8 divisors (see below), whose sum is σ = 157999728. Its totient is φ = 52666560.

The previous prime is 98749813. The next prime is 98749817. The reversal of 98749815 is 51894789.

It is an interprime number because it is at equal distance from previous prime (98749813) and next prime (98749817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98749815 - 2¹ = 98749813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98749811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291646 + ... + 3291675.

It is an arithmetic number, because the mean of its divisors is an integer number (19749966).

Almost surely, 2^98749815 is an apocalyptic number.

98749815 is a deficient number, since it is larger than the sum of its proper divisors (59249913).

98749815 is a wasteful number, since it uses less digits than its factorization.

98749815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583329.

The product of its digits is 725760, while the sum is 51.

The square root of 98749815 is about 9937.2941488113. The cubic root of 98749815 is about 462.2164846269.

The spelling of 98749815 in words is "ninety-eight million, seven hundred forty-nine thousand, eight hundred fifteen".