898137 has 6 divisors (see below), whose sum is σ = 1297322. Its totient is φ = 598752.

The previous prime is 898133. The next prime is 898147. The reversal of 898137 is 731898.

It can be written as a sum of positive squares in only one way, i.e., 741321 + 156816 = 861^2 + 396^2 .

It is not a de Polignac number, because 898137 - 2² = 898133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898133) 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 5 ways as a sum of consecutive naturals, for example, 49888 + ... + 49905.

2⁸⁹⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

898137 is a deficient number, since it is larger than the sum of its proper divisors (399185).

898137 is a wasteful number, since it uses less digits than its factorization.

898137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99799 (or 99796 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 898137 is about 947.7009021838. The cubic root of 898137 is about 96.4822736731.

It can be divided in two parts, 898 and 137, that added together give a triangular number (1035 = T₄₅).

The spelling of 898137 in words is "eight hundred ninety-eight thousand, one hundred thirty-seven".