814971 has 4 divisors (see below), whose sum is σ = 1086632. Its totient is φ = 543312.

The previous prime is 814949. The next prime is 814991. The reversal of 814971 is 179418.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 814971 - 2⁵ = 814939 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814901) 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, 135826 + ... + 135831.

It is an arithmetic number, because the mean of its divisors is an integer number (271658).

2⁸¹⁴⁹⁷¹ is an apocalyptic number.

814971 is a deficient number, since it is larger than the sum of its proper divisors (271661).

814971 is a wasteful number, since it uses less digits than its factorization.

814971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271660.

The product of its digits is 2016, while the sum is 30.

The square root of 814971 is about 902.7574425060. The cubic root of 814971 is about 93.4072784183.

The spelling of 814971 in words is "eight hundred fourteen thousand, nine hundred seventy-one".