998963701 has 2 divisors, whose sum is σ = 998963702. Its totient is φ = 998963700.

The previous prime is 998963699. The next prime is 998963753. The reversal of 998963701 is 107369899.

It is an a-pointer prime, because the next prime (998963753) can be obtained adding 998963701 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977812900 + 21150801 = 31270^2 + 4599^2 .

It is a cyclic number.

It is not a de Polignac number, because 998963701 - 2¹ = 998963699 is a prime.

Together with 998963699, it forms a pair of twin primes.

It is equal to p_50797798 and since 998963701 and 50797798 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998963101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499481850 + 499481851.

It is an arithmetic number, because the mean of its divisors is an integer number (499481851).

Almost surely, 2^998963701 is an apocalyptic number.

It is an amenable number.

998963701 is a deficient number, since it is larger than the sum of its proper divisors (1).

998963701 is an equidigital number, since it uses as much as digits as its factorization.

998963701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 998963701 is about 31606.3870285738. The cubic root of 998963701 is about 999.6544476073.

The spelling of 998963701 in words is "nine hundred ninety-eight million, nine hundred sixty-three thousand, seven hundred one".