898938361 has 2 divisors, whose sum is σ = 898938362. Its totient is φ = 898938360.

The previous prime is 898938331. The next prime is 898938367. The reversal of 898938361 is 163839898.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896643136 + 2295225 = 29944^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 898938361 - 2¹³ = 898930169 is a prime.

It is not a weakly prime, because it can be changed into another prime (898938367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449469180 + 449469181.

It is an arithmetic number, because the mean of its divisors is an integer number (449469181).

Almost surely, 2^898938361 is an apocalyptic number.

It is an amenable number.

898938361 is a deficient number, since it is larger than the sum of its proper divisors (1).

898938361 is an equidigital number, since it uses as much as digits as its factorization.

898938361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 55.

The square root of 898938361 is about 29982.3007956361. The cubic root of 898938361 is about 965.1096051689.

The spelling of 898938361 in words is "eight hundred ninety-eight million, nine hundred thirty-eight thousand, three hundred sixty-one".