98029861 has 2 divisors, whose sum is σ = 98029862. Its totient is φ = 98029860.

The previous prime is 98029859. The next prime is 98029927. The reversal of 98029861 is 16892089.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 43639236 = 7375^2 + 6606^2 .

It is a cyclic number.

It is not a de Polignac number, because 98029861 - 2¹ = 98029859 is a prime.

Together with 98029859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98029661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49014930 + 49014931.

It is an arithmetic number, because the mean of its divisors is an integer number (49014931).

Almost surely, 2^98029861 is an apocalyptic number.

It is an amenable number.

98029861 is a deficient number, since it is larger than the sum of its proper divisors (1).

98029861 is an equidigital number, since it uses as much as digits as its factorization.

98029861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 98029861 is about 9901.0030299965. The cubic root of 98029861 is about 461.0904517424.

The spelling of 98029861 in words is "ninety-eight million, twenty-nine thousand, eight hundred sixty-one".