814492 has 24 divisors (see below), whose sum is σ = 1715840. Its totient is φ = 330480.

The previous prime is 814477. The next prime is 814493. The reversal of 814492 is 294418.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 814492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814493) by changing a digit.

814492 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 7 ways as a sum of consecutive naturals, for example, 234 + ... + 1297.

2⁸¹⁴⁴⁹² is an apocalyptic number.

It is an amenable number.

814492 is an abundant number, since it is smaller than the sum of its proper divisors (901348).

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

814492 is a wasteful number, since it uses less digits than its factorization.

814492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 814492 is about 902.4921052286. The cubic root of 814492 is about 93.3889747588.

The spelling of 814492 in words is "eight hundred fourteen thousand, four hundred ninety-two".