98284561 has 2 divisors, whose sum is σ = 98284562. Its totient is φ = 98284560.

The previous prime is 98284547. The next prime is 98284577. The reversal of 98284561 is 16548289.

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., 71503936 + 26780625 = 8456^2 + 5175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98284561 is a prime.

It is not a weakly prime, because it can be changed into another prime (98284591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49142280 + 49142281.

It is an arithmetic number, because the mean of its divisors is an integer number (49142281).

Almost surely, 2^98284561 is an apocalyptic number.

It is an amenable number.

98284561 is a deficient number, since it is larger than the sum of its proper divisors (1).

98284561 is an equidigital number, since it uses as much as digits as its factorization.

98284561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 98284561 is about 9913.8570193442. The cubic root of 98284561 is about 461.4894396060.

The spelling of 98284561 in words is "ninety-eight million, two hundred eighty-four thousand, five hundred sixty-one".