98897217 has 8 divisors (see below), whose sum is σ = 137596224. Its totient is φ = 63064848.

The previous prime is 98897209. The next prime is 98897219. The reversal of 98897217 is 71279889.

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

It is not a de Polignac number, because 98897217 - 2³ = 98897209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98897217.

It is not an unprimeable number, because it can be changed into a prime (98897219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716578 + ... + 716715.

It is an arithmetic number, because the mean of its divisors is an integer number (17199528).

Almost surely, 2^98897217 is an apocalyptic number.

It is an amenable number.

98897217 is a deficient number, since it is larger than the sum of its proper divisors (38699007).

98897217 is a wasteful number, since it uses less digits than its factorization.

98897217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433319.

The product of its digits is 508032, while the sum is 51.

The square root of 98897217 is about 9944.7079896797. The cubic root of 98897217 is about 462.4463509234.

The spelling of 98897217 in words is "ninety-eight million, eight hundred ninety-seven thousand, two hundred seventeen".