998966705 has 64 divisors (see below), whose sum is σ = 1455667200. Its totient is φ = 649566720.

The previous prime is 998966653. The next prime is 998966707. The reversal of 998966705 is 507669899.

998966705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998966705 - 2¹⁴ = 998950321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998966707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2138882 + ... + 2139348.

It is an arithmetic number, because the mean of its divisors is an integer number (22744800).

Almost surely, 2^998966705 is an apocalyptic number.

998966705 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

998966705 is a deficient number, since it is larger than the sum of its proper divisors (456700495).

998966705 is a wasteful number, since it uses less digits than its factorization.

998966705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 998966705 is about 31606.4345505785. The cubic root of 998966705 is about 999.6554496320.

It can be divided in two parts, 99896 and 6705, that added together give a palindrome (106601).

The spelling of 998966705 in words is "nine hundred ninety-eight million, nine hundred sixty-six thousand, seven hundred five".