98243861 has 2 divisors, whose sum is σ = 98243862. Its totient is φ = 98243860.

The previous prime is 98243839. The next prime is 98243881. The reversal of 98243861 is 16834289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79103236 + 19140625 = 8894^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 98243861 - 2¹⁴ = 98227477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98243881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49121930 + 49121931.

It is an arithmetic number, because the mean of its divisors is an integer number (49121931).

Almost surely, 2^98243861 is an apocalyptic number.

It is an amenable number.

98243861 is a deficient number, since it is larger than the sum of its proper divisors (1).

98243861 is an equidigital number, since it uses as much as digits as its factorization.

98243861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 98243861 is about 9911.8041243761. The cubic root of 98243861 is about 461.4257293168.

The spelling of 98243861 in words is "ninety-eight million, two hundred forty-three thousand, eight hundred sixty-one".