814842 has 48 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 223776.

The previous prime is 814841. The next prime is 814859. The reversal of 814842 is 248418.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (814841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3543 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

2⁸¹⁴⁸⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048320).

814842 is an abundant number, since it is smaller than the sum of its proper divisors (1281798).

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

814842 is a wasteful number, since it uses less digits than its factorization.

814842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 814842 is about 902.6859919152. The cubic root of 814842 is about 93.4023497461.

The spelling of 814842 in words is "eight hundred fourteen thousand, eight hundred forty-two".