1999266 has 16 divisors (see below), whose sum is σ = 4074624. Its totient is φ = 653744.

The previous prime is 1999247. The next prime is 1999273. The reversal of 1999266 is 6629991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2826 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (254664).

2^1999266 is an apocalyptic number.

1999266 is an abundant number, since it is smaller than the sum of its proper divisors (2075358).

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

1999266 is a wasteful number, since it uses less digits than its factorization.

1999266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345.

The product of its digits is 52488, while the sum is 42.

The square root of 1999266 is about 1413.9540303702. The cubic root of 1999266 is about 125.9766900694.

The spelling of 1999266 in words is "one million, nine hundred ninety-nine thousand, two hundred sixty-six".