98990953 has 2 divisors, whose sum is σ = 98990954. Its totient is φ = 98990952.

The previous prime is 98990951. The next prime is 98990963. The reversal of 98990953 is 35909989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81577024 + 17413929 = 9032^2 + 4173^2 .

It is a cyclic number.

It is not a de Polignac number, because 98990953 - 2¹ = 98990951 is a prime.

Together with 98990951, 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 98990953.

It is not a weakly prime, because it can be changed into another prime (98990951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49495476 + 49495477.

It is an arithmetic number, because the mean of its divisors is an integer number (49495477).

Almost surely, 2^98990953 is an apocalyptic number.

It is an amenable number.

98990953 is a deficient number, since it is larger than the sum of its proper divisors (1).

98990953 is an equidigital number, since it uses as much as digits as its factorization.

98990953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 98990953 is about 9949.4197318236. The cubic root of 98990953 is about 462.5924089031.

The spelling of 98990953 in words is "ninety-eight million, nine hundred ninety thousand, nine hundred fifty-three".