98386649 has 2 divisors, whose sum is σ = 98386650. Its totient is φ = 98386648.

The previous prime is 98386621. The next prime is 98386661. The reversal of 98386649 is 94668389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 31719424 = 8165^2 + 5632^2 .

It is a cyclic number.

It is not a de Polignac number, because 98386649 - 2²⁴ = 81609433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98386649.

It is not a weakly prime, because it can be changed into another prime (98386609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49193324 + 49193325.

It is an arithmetic number, because the mean of its divisors is an integer number (49193325).

Almost surely, 2^98386649 is an apocalyptic number.

It is an amenable number.

98386649 is a deficient number, since it is larger than the sum of its proper divisors (1).

98386649 is an equidigital number, since it uses as much as digits as its factorization.

98386649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The square root of 98386649 is about 9919.0044359300. The cubic root of 98386649 is about 461.6491670713.

The spelling of 98386649 in words is "ninety-eight million, three hundred eighty-six thousand, six hundred forty-nine".