98790919 has 2 divisors, whose sum is σ = 98790920. Its totient is φ = 98790918.

The previous prime is 98790871. The next prime is 98790929. The reversal of 98790919 is 91909789.

It is a strong prime.

It is an emirp because it is prime and its reverse (91909789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98790919 - 2²¹ = 96693767 is a prime.

It is a super-2 number, since 2×98790919² = 19519291353729122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98790929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49395459 + 49395460.

It is an arithmetic number, because the mean of its divisors is an integer number (49395460).

Almost surely, 2^98790919 is an apocalyptic number.

98790919 is a deficient number, since it is larger than the sum of its proper divisors (1).

98790919 is an equidigital number, since it uses as much as digits as its factorization.

98790919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 98790919 is about 9939.3621022679. The cubic root of 98790919 is about 462.2806073156.

The spelling of 98790919 in words is "ninety-eight million, seven hundred ninety thousand, nine hundred nineteen".