1999802 has 16 divisors (see below), whose sum is σ = 3471552. Its totient is φ = 846240.

The previous prime is 1999799. The next prime is 1999817. The reversal of 1999802 is 2089991.

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, 302 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (216972).

2^1999802 is an apocalyptic number.

1999802 is a deficient number, since it is larger than the sum of its proper divisors (1471750).

1999802 is a wasteful number, since it uses less digits than its factorization.

1999802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1999802 is about 1414.1435570691. The cubic root of 1999802 is about 125.9879471128.

It can be divided in two parts, 199 and 9802, that added together give a palindrome (10001).

The spelling of 1999802 in words is "one million, nine hundred ninety-nine thousand, eight hundred two".