898831 has 4 divisors (see below), whose sum is σ = 902664. Its totient is φ = 895000.

The previous prime is 898823. The next prime is 898853. The reversal of 898831 is 138898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 898831 - 2³ = 898823 is a prime.

It is a super-2 number, since 2×898831² = 1615794333122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (225666).

2⁸⁹⁸⁸³¹ is an apocalyptic number.

898831 is a deficient number, since it is larger than the sum of its proper divisors (3833).

898831 is a wasteful number, since it uses less digits than its factorization.

898831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832.

The product of its digits is 13824, while the sum is 37.

The square root of 898831 is about 948.0669807561. The cubic root of 898831 is about 96.5071182343.

The spelling of 898831 in words is "eight hundred ninety-eight thousand, eight hundred thirty-one".