998650007 has 2 divisors, whose sum is σ = 998650008. Its totient is φ = 998650006.

The previous prime is 998649959. The next prime is 998650033. The reversal of 998650007 is 700056899.

998650007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998650007 is a prime.

It is a super-2 number, since 2×998650007² = 1994603672962200098, which contains 22 as substring.

It is equal to p_50782589 and since 998650007 and 50782589 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998650007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998650067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499325003 + 499325004.

It is an arithmetic number, because the mean of its divisors is an integer number (499325004).

Almost surely, 2^998650007 is an apocalyptic number.

998650007 is a deficient number, since it is larger than the sum of its proper divisors (1).

998650007 is an equidigital number, since it uses as much as digits as its factorization.

998650007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 998650007 is about 31601.4241293015. The cubic root of 998650007 is about 999.5497996834.

The spelling of 998650007 in words is "nine hundred ninety-eight million, six hundred fifty thousand, seven".