98918455 has 4 divisors (see below), whose sum is σ = 118702152. Its totient is φ = 79134760.

The previous prime is 98918441. The next prime is 98918467. The reversal of 98918455 is 55481989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55481989 = 139 ⋅399151.

It is not a de Polignac number, because 98918455 - 2¹¹ = 98916407 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98918399 and 98918408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9891841 + ... + 9891850.

It is an arithmetic number, because the mean of its divisors is an integer number (29675538).

Almost surely, 2^98918455 is an apocalyptic number.

98918455 is a deficient number, since it is larger than the sum of its proper divisors (19783697).

98918455 is a wasteful number, since it uses less digits than its factorization.

98918455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783696.

The product of its digits is 518400, while the sum is 49.

The square root of 98918455 is about 9945.7757364622. The cubic root of 98918455 is about 462.4794517289.

The spelling of 98918455 in words is "ninety-eight million, nine hundred eighteen thousand, four hundred fifty-five".