98620829 has 2 divisors, whose sum is σ = 98620830. Its totient is φ = 98620828.

The previous prime is 98620813. The next prime is 98620843. The reversal of 98620829 is 92802689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58905625 + 39715204 = 7675^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 98620829 - 2⁴ = 98620813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98620829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98620729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49310414 + 49310415.

It is an arithmetic number, because the mean of its divisors is an integer number (49310415).

Almost surely, 2^98620829 is an apocalyptic number.

It is an amenable number.

98620829 is a deficient number, since it is larger than the sum of its proper divisors (1).

98620829 is an equidigital number, since it uses as much as digits as its factorization.

98620829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 98620829 is about 9930.8020320617. The cubic root of 98620829 is about 462.0151494567.

The spelling of 98620829 in words is "ninety-eight million, six hundred twenty thousand, eight hundred twenty-nine".