998097 has 4 divisors (see below), whose sum is σ = 1330800. Its totient is φ = 665396.

The previous prime is 998083. The next prime is 998111. The reversal of 998097 is 790899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (998083) and next prime (998111).

It is a cyclic number.

It is not a de Polignac number, because 998097 - 2¹¹ = 996049 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (998017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166347 + ... + 166352.

It is an arithmetic number, because the mean of its divisors is an integer number (332700).

2⁹⁹⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

998097 is a deficient number, since it is larger than the sum of its proper divisors (332703).

998097 is a wasteful number, since it uses less digits than its factorization.

998097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332702.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 998097 is about 999.0480468926. The cubic root of 998097 is about 99.9365263862.

The spelling of 998097 in words is "nine hundred ninety-eight thousand, ninety-seven".