809102 has 8 divisors (see below), whose sum is σ = 1387056. Its totient is φ = 346752.

The previous prime is 809101. The next prime is 809141. The reversal of 809102 is 201908.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809101) 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, 28883 + ... + 28910.

It is an arithmetic number, because the mean of its divisors is an integer number (173382).

2⁸⁰⁹¹⁰² is an apocalyptic number.

809102 is a deficient number, since it is larger than the sum of its proper divisors (577954).

809102 is a wasteful number, since it uses less digits than its factorization.

809102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57802.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 809102 is about 899.5009727621. The cubic root of 809102 is about 93.1825143567.

The spelling of 809102 in words is "eight hundred nine thousand, one hundred two".