1998796 has 12 divisors (see below), whose sum is σ = 3618720. Its totient is φ = 964880.

The previous prime is 1998793. The next prime is 1998817. The reversal of 1998796 is 6978991.

1998796 = T₂₃₃ + T₂₃₄ + ... + T₂₉₀.

It is an Ulam number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1998793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (301560).

2^1998796 is an apocalyptic number.

It is an amenable number.

1998796 is a deficient number, since it is larger than the sum of its proper divisors (1619924).

1998796 is a wasteful number, since it uses less digits than its factorization.

1998796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17264 (or 17262 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 1998796 is about 1413.7878200069. The cubic root of 1998796 is about 125.9668174987.

The spelling of 1998796 in words is "one million, nine hundred ninety-eight thousand, seven hundred ninety-six".