803998 has 24 divisors (see below), whose sum is σ = 1392552. Its totient is φ = 345984.

The previous prime is 803989. The next prime is 804007. The reversal of 803998 is 899308.

It is an interprime number because it is at equal distance from previous prime (803989) and next prime (804007).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7461 + ... + 7567.

It is an arithmetic number, because the mean of its divisors is an integer number (58023).

2⁸⁰³⁹⁹⁸ is an apocalyptic number.

803998 is a deficient number, since it is larger than the sum of its proper divisors (588554).

803998 is a wasteful number, since it uses less digits than its factorization.

803998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 803998 is about 896.6593556084. The cubic root of 803998 is about 92.9861620448.

The spelling of 803998 in words is "eight hundred three thousand, nine hundred ninety-eight".