811248 has 20 divisors (see below), whose sum is σ = 2095848. Its totient is φ = 270400.

The previous prime is 811241. The next prime is 811253. The reversal of 811248 is 842118.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811241) 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, 8403 + ... + 8498.

2⁸¹¹²⁴⁸ is an apocalyptic number.

It is an amenable number.

811248 is an abundant number, since it is smaller than the sum of its proper divisors (1284600).

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

811248 is a wasteful number, since it uses less digits than its factorization.

811248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16912 (or 16906 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 811248 is about 900.6930664771. The cubic root of 811248 is about 93.2648250094.

It can be divided in two parts, 8112 and 48, that multiplied together give a square (389376 = 624²).

The spelling of 811248 in words is "eight hundred eleven thousand, two hundred forty-eight".