998703105 has 8 divisors (see below), whose sum is σ = 1597924992. Its totient is φ = 532641648.

The previous prime is 998703103. The next prime is 998703107. The reversal of 998703105 is 501307899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (998703103) and next prime (998703107).

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

It is not a de Polignac number, because 998703105 - 2¹ = 998703103 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (998703103) 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, 33290089 + ... + 33290118.

It is an arithmetic number, because the mean of its divisors is an integer number (199740624).

It is a Proth number, since it is equal to 15239 ⋅ 2¹⁶ + 1 and 15239 < 2¹⁶.

Almost surely, 2^998703105 is an apocalyptic number.

It is an amenable number.

998703105 is a deficient number, since it is larger than the sum of its proper divisors (599221887).

998703105 is a wasteful number, since it uses less digits than its factorization.

998703105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66580215.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 998703105 is about 31602.2642385004. The cubic root of 998703105 is about 999.5675146501.

The spelling of 998703105 in words is "nine hundred ninety-eight million, seven hundred three thousand, one hundred five".