98556901 has 2 divisors, whose sum is σ = 98556902. Its totient is φ = 98556900.

The previous prime is 98556893. The next prime is 98556917. The reversal of 98556901 is 10965589.

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., 90440100 + 8116801 = 9510^2 + 2849^2 .

It is a cyclic number.

It is not a de Polignac number, because 98556901 - 2³ = 98556893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98550901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49278450 + 49278451.

It is an arithmetic number, because the mean of its divisors is an integer number (49278451).

Almost surely, 2^98556901 is an apocalyptic number.

It is an amenable number.

98556901 is a deficient number, since it is larger than the sum of its proper divisors (1).

98556901 is an equidigital number, since it uses as much as digits as its factorization.

98556901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 98556901 is about 9927.5828377304. The cubic root of 98556901 is about 461.9152987154.

The spelling of 98556901 in words is "ninety-eight million, five hundred fifty-six thousand, nine hundred one".