98819213 has 2 divisors, whose sum is σ = 98819214. Its totient is φ = 98819212.

The previous prime is 98819191. The next prime is 98819243. The reversal of 98819213 is 31291889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90878089 + 7941124 = 9533^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 98819213 - 2²² = 94624909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98819243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49409606 + 49409607.

It is an arithmetic number, because the mean of its divisors is an integer number (49409607).

Almost surely, 2^98819213 is an apocalyptic number.

It is an amenable number.

98819213 is a deficient number, since it is larger than the sum of its proper divisors (1).

98819213 is an equidigital number, since it uses as much as digits as its factorization.

98819213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 41.

The square root of 98819213 is about 9940.7853311496. The cubic root of 98819213 is about 462.3247359297.

The spelling of 98819213 in words is "ninety-eight million, eight hundred nineteen thousand, two hundred thirteen".