998047 has 4 divisors (see below), whose sum is σ = 1012176. Its totient is φ = 983920.

The previous prime is 998029. The next prime is 998069. The reversal of 998047 is 740899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740899 = 23 ⋅32213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 997997 and 998015.

It is a congruent 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, 6958 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (253044).

2⁹⁹⁸⁰⁴⁷ is an apocalyptic number.

998047 is a deficient number, since it is larger than the sum of its proper divisors (14129).

998047 is a wasteful number, since it uses less digits than its factorization.

998047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 998047 is about 999.0230227577. The cubic root of 998047 is about 99.9348575739.

The spelling of 998047 in words is "nine hundred ninety-eight thousand, forty-seven".