898761197 has 2 divisors, whose sum is σ = 898761198. Its totient is φ = 898761196.

The previous prime is 898761169. The next prime is 898761221. The reversal of 898761197 is 791167898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711235561 + 187525636 = 26669^2 + 13694^2 .

It is a cyclic number.

It is not a de Polignac number, because 898761197 - 2¹⁴ = 898744813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898761107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449380598 + 449380599.

It is an arithmetic number, because the mean of its divisors is an integer number (449380599).

Almost surely, 2^898761197 is an apocalyptic number.

It is an amenable number.

898761197 is a deficient number, since it is larger than the sum of its proper divisors (1).

898761197 is an equidigital number, since it uses as much as digits as its factorization.

898761197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 56.

The square root of 898761197 is about 29979.3461736576. The cubic root of 898761197 is about 965.0461992969.

The spelling of 898761197 in words is "eight hundred ninety-eight million, seven hundred sixty-one thousand, one hundred ninety-seven".