675998 has 4 divisors (see below), whose sum is σ = 1014000. Its totient is φ = 337998.

The previous prime is 675979. The next prime is 676007. The reversal of 675998 is 899576.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168998 + ... + 169001.

It is an arithmetic number, because the mean of its divisors is an integer number (253500).

2⁶⁷⁵⁹⁹⁸ is an apocalyptic number.

675998 is a deficient number, since it is larger than the sum of its proper divisors (338002).

675998 is a wasteful number, since it uses less digits than its factorization.

675998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338001.

The product of its digits is 136080, while the sum is 44.

The square root of 675998 is about 822.1909753822. The cubic root of 675998 is about 87.7637430011.

The spelling of 675998 in words is "six hundred seventy-five thousand, nine hundred ninety-eight".