791812 has 12 divisors (see below), whose sum is σ = 1583680. Its totient is φ = 339336.

The previous prime is 791803. The next prime is 791827. The reversal of 791812 is 218197.

791812 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 28279 = 791812 / (7 + 9 + 1 + 8 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14112 + ... + 14167.

2⁷⁹¹⁸¹² is an apocalyptic number.

It is an amenable number.

791812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

791812 is a wasteful number, since it uses less digits than its factorization.

791812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290 (or 28288 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The square root of 791812 is about 889.8381875375. The cubic root of 791812 is about 92.5139788954.

It can be divided in two parts, 79 and 1812, that added together give a triangular number (1891 = T₆₁).

The spelling of 791812 in words is "seven hundred ninety-one thousand, eight hundred twelve".