898105 has 16 divisors (see below), whose sum is σ = 1192464. Its totient is φ = 645120.

The previous prime is 898097. The next prime is 898109. The reversal of 898105 is 501898.

It can be written as a sum of positive squares in 8 ways, for example, as 344569 + 553536 = 587^2 + 744^2 .

It is not a de Polignac number, because 898105 - 2³ = 898097 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (898109) 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 in 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (74529).

2⁸⁹⁸¹⁰⁵ is an apocalyptic number.

It is an amenable number.

898105 is a deficient number, since it is larger than the sum of its proper divisors (294359).

898105 is a wasteful number, since it uses less digits than its factorization.

898105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 898105 is about 947.6840190696. The cubic root of 898105 is about 96.4811277940.

The spelling of 898105 in words is "eight hundred ninety-eight thousand, one hundred five".