965998 has 16 divisors (see below), whose sum is σ = 1664640. Its totient is φ = 415800.

The previous prime is 965989. The next prime is 966011. The reversal of 965998 is 899569.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

965998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (104040).

2⁹⁶⁵⁹⁹⁸ is an apocalyptic number.

965998 is a deficient number, since it is larger than the sum of its proper divisors (698642).

965998 is a wasteful number, since it uses less digits than its factorization.

965998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343.

The product of its digits is 174960, while the sum is 46.

The square root of 965998 is about 982.8519725778. The cubic root of 965998 is about 98.8535057428.

The spelling of 965998 in words is "nine hundred sixty-five thousand, nine hundred ninety-eight".