1990802 has 16 divisors (see below), whose sum is σ = 3449952. Its totient is φ = 851520.

The previous prime is 1990787. The next prime is 1990823. The reversal of 1990802 is 2080991.

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, 2288 + ... + 3035.

It is an arithmetic number, because the mean of its divisors is an integer number (215622).

2^1990802 is an apocalyptic number.

1990802 is a deficient number, since it is larger than the sum of its proper divisors (1459150).

1990802 is a wasteful number, since it uses less digits than its factorization.

1990802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1990802 is about 1410.9578306952. The cubic root of 1990802 is about 125.7986622410.

The spelling of 1990802 in words is "one million, nine hundred ninety thousand, eight hundred two".