98934181 has 2 divisors, whose sum is σ = 98934182. Its totient is φ = 98934180.

The previous prime is 98934163. The next prime is 98934191. The reversal of 98934181 is 18143989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66830625 + 32103556 = 8175^2 + 5666^2 .

It is an emirp because it is prime and its reverse (18143989) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98934181 is a prime.

It is a super-2 number, since 2×98934181² = 19575944340281522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98934161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49467090 + 49467091.

It is an arithmetic number, because the mean of its divisors is an integer number (49467091).

Almost surely, 2^98934181 is an apocalyptic number.

It is an amenable number.

98934181 is a deficient number, since it is larger than the sum of its proper divisors (1).

98934181 is an equidigital number, since it uses as much as digits as its factorization.

98934181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 98934181 is about 9946.5662919422. The cubic root of 98934181 is about 462.5039586708.

The spelling of 98934181 in words is "ninety-eight million, nine hundred thirty-four thousand, one hundred eighty-one".