810046 has 8 divisors (see below), whose sum is σ = 1279080. Its totient is φ = 383688.

The previous prime is 810023. The next prime is 810049. The reversal of 810046 is 640018.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10621 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (159885).

2⁸¹⁰⁰⁴⁶ is an apocalyptic number.

810046 is a deficient number, since it is larger than the sum of its proper divisors (469034).

810046 is a wasteful number, since it uses less digits than its factorization.

810046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 810046 is about 900.0255551927. The cubic root of 810046 is about 93.2187397464.

The spelling of 810046 in words is "eight hundred ten thousand, forty-six".