898819 has 2 divisors, whose sum is σ = 898820. Its totient is φ = 898818.

The previous prime is 898813. The next prime is 898823. The reversal of 898819 is 918898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 898819 - 2⁵ = 898787 is a prime.

It is a super-2 number, since 2×898819² = 1615751189522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (898813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449409 + 449410.

It is an arithmetic number, because the mean of its divisors is an integer number (449410).

2⁸⁹⁸⁸¹⁹ is an apocalyptic number.

898819 is a deficient number, since it is larger than the sum of its proper divisors (1).

898819 is an equidigital number, since it uses as much as digits as its factorization.

898819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 43.

The square root of 898819 is about 948.0606520682. The cubic root of 898819 is about 96.5066887540.

The spelling of 898819 in words is "eight hundred ninety-eight thousand, eight hundred nineteen".