98790949 has 2 divisors, whose sum is σ = 98790950. Its totient is φ = 98790948.

The previous prime is 98790947. The next prime is 98790959. The reversal of 98790949 is 94909789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88228449 + 10562500 = 9393^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 98790949 - 2¹ = 98790947 is a prime.

Together with 98790947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 98790949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98790941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49395474 + 49395475.

It is an arithmetic number, because the mean of its divisors is an integer number (49395475).

Almost surely, 2^98790949 is an apocalyptic number.

It is an amenable number.

98790949 is a deficient number, since it is larger than the sum of its proper divisors (1).

98790949 is an equidigital number, since it uses as much as digits as its factorization.

98790949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 98790949 is about 9939.3636114190. The cubic root of 98790949 is about 462.2806541094.

The spelling of 98790949 in words is "ninety-eight million, seven hundred ninety thousand, nine hundred forty-nine".