810472 has 16 divisors (see below), whose sum is σ = 1636740. Its totient is φ = 374016.

The previous prime is 810457. The next prime is 810473. The reversal of 810472 is 274018.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 11236 = 894^2 + 106^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 810472.

It is not an unprimeable number, because it can be changed into a prime (810473) by changing a digit.

810472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3793 + ... + 4000.

2⁸¹⁰⁴⁷² is an apocalyptic number.

It is an amenable number.

810472 is an abundant number, since it is smaller than the sum of its proper divisors (826268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810472 is a wasteful number, since it uses less digits than its factorization.

810472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812 (or 7808 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 810472 is about 900.2621840331. The cubic root of 810472 is about 93.2350780053.

The spelling of 810472 in words is "eight hundred ten thousand, four hundred seventy-two".