840802 has 8 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 418404.

The previous prime is 840767. The next prime is 840817. The reversal of 840802 is 208048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 12.

It is an unprimeable number.

840802 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402 + ... + 1357.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2⁸⁴⁰⁸⁰² is an apocalyptic number.

840802 is a deficient number, since it is larger than the sum of its proper divisors (426398).

840802 is a wasteful number, since it uses less digits than its factorization.

840802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 840802 is about 916.9525614774. The cubic root of 840802 is about 94.3838985513.

The spelling of 840802 in words is "eight hundred forty thousand, eight hundred two".