898705369 has 2 divisors, whose sum is σ = 898705370. Its totient is φ = 898705368.

The previous prime is 898705361. The next prime is 898705397. The reversal of 898705369 is 963507898.

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., 794563344 + 104142025 = 28188^2 + 10205^2 .

It is a cyclic number.

It is not a de Polignac number, because 898705369 - 2³ = 898705361 is a prime.

It is a super-2 number, since 2×898705369² = 1615342680538852322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (898705361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449352684 + 449352685.

It is an arithmetic number, because the mean of its divisors is an integer number (449352685).

Almost surely, 2^898705369 is an apocalyptic number.

It is an amenable number.

898705369 is a deficient number, since it is larger than the sum of its proper divisors (1).

898705369 is an equidigital number, since it uses as much as digits as its factorization.

898705369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 898705369 is about 29978.4150515000. The cubic root of 898705369 is about 965.0262170833.

The spelling of 898705369 in words is "eight hundred ninety-eight million, seven hundred five thousand, three hundred sixty-nine".