98986961 has 2 divisors, whose sum is σ = 98986962. Its totient is φ = 98986960.

The previous prime is 98986919. The next prime is 98986973. The reversal of 98986961 is 16968989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64705936 + 34281025 = 8044^2 + 5855^2 .

It is a cyclic number.

It is not a de Polignac number, because 98986961 - 2⁶ = 98986897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98986897 and 98986906.

It is not a weakly prime, because it can be changed into another prime (98986981) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49493480 + 49493481.

It is an arithmetic number, because the mean of its divisors is an integer number (49493481).

Almost surely, 2^98986961 is an apocalyptic number.

It is an amenable number.

98986961 is a deficient number, since it is larger than the sum of its proper divisors (1).

98986961 is an equidigital number, since it uses as much as digits as its factorization.

98986961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 56.

The square root of 98986961 is about 9949.2191150864. The cubic root of 98986961 is about 462.5861905109.

The spelling of 98986961 in words is "ninety-eight million, nine hundred eighty-six thousand, nine hundred sixty-one".