996220 has 12 divisors (see below), whose sum is σ = 2092104. Its totient is φ = 398480.

The previous prime is 996211. The next prime is 996253. The reversal of 996220 is 22699.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

996220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24886 + ... + 24925.

It is an arithmetic number, because the mean of its divisors is an integer number (174342).

2⁹⁹⁶²²⁰ is an apocalyptic number.

It is an amenable number.

996220 is an abundant number, since it is smaller than the sum of its proper divisors (1095884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996220 is a wasteful number, since it uses less digits than its factorization.

996220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49820 (or 49818 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 996220 is about 998.1082105664. The cubic root of 996220 is about 99.8738409058.

The spelling of 996220 in words is "nine hundred ninety-six thousand, two hundred twenty".