898769 has 2 divisors, whose sum is σ = 898770. Its totient is φ = 898768.

The previous prime is 898763. The next prime is 898787. The reversal of 898769 is 967898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 150544 = 865^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 898769 - 2⁴ = 898753 is a prime.

It is a super-2 number, since 2×898769² = 1615571430722, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (898763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449384 + 449385.

It is an arithmetic number, because the mean of its divisors is an integer number (449385).

2⁸⁹⁸⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

898769 is a deficient number, since it is larger than the sum of its proper divisors (1).

898769 is an equidigital number, since it uses as much as digits as its factorization.

898769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The square root of 898769 is about 948.0342820806. The cubic root of 898769 is about 96.5048992117.

The spelling of 898769 in words is "eight hundred ninety-eight thousand, seven hundred sixty-nine".