898397 has 4 divisors (see below), whose sum is σ = 922716. Its totient is φ = 874080.

The previous prime is 898369. The next prime is 898409. The reversal of 898397 is 793898.

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

It can be written as a sum of positive squares in 2 ways, for example, as 835396 + 63001 = 914^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 898397 - 2¹⁰ = 897373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898397.

It is not an unprimeable number, because it can be changed into a prime (898307) 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, 12104 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (230679).

2⁸⁹⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

898397 is a deficient number, since it is larger than the sum of its proper divisors (24319).

898397 is a wasteful number, since it uses less digits than its factorization.

898397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24318.

The product of its digits is 108864, while the sum is 44.

The square root of 898397 is about 947.8380663383. The cubic root of 898397 is about 96.4915829325.

The spelling of 898397 in words is "eight hundred ninety-eight thousand, three hundred ninety-seven".