998708 has 6 divisors (see below), whose sum is σ = 1747746. Its totient is φ = 499352.

The previous prime is 998689. The next prime is 998717. The reversal of 998708 is 807899.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 2704 = 998^2 + 52^2 .

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 998708.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124835 + ... + 124842.

It is an arithmetic number, because the mean of its divisors is an integer number (291291).

2⁹⁹⁸⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

998708 is a deficient number, since it is larger than the sum of its proper divisors (749038).

998708 is a wasteful number, since it uses less digits than its factorization.

998708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249681 (or 249679 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 998708 is about 999.3537912071. The cubic root of 998708 is about 99.9569147726.

The spelling of 998708 in words is "nine hundred ninety-eight thousand, seven hundred eight".