98790641 has 2 divisors, whose sum is σ = 98790642. Its totient is φ = 98790640.

The previous prime is 98790631. The next prime is 98790647. The reversal of 98790641 is 14609789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 5107600 = 9679^2 + 2260^2 .

It is an emirp because it is prime and its reverse (14609789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98790641 - 2¹⁴ = 98774257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98790592 and 98790601.

It is not a weakly prime, because it can be changed into another prime (98790647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49395320 + 49395321.

It is an arithmetic number, because the mean of its divisors is an integer number (49395321).

Almost surely, 2^98790641 is an apocalyptic number.

It is an amenable number.

98790641 is a deficient number, since it is larger than the sum of its proper divisors (1).

98790641 is an equidigital number, since it uses as much as digits as its factorization.

98790641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 98790641 is about 9939.3481174572. The cubic root of 98790641 is about 462.2801736923.

The spelling of 98790641 in words is "ninety-eight million, seven hundred ninety thousand, six hundred forty-one".