814109 has 4 divisors (see below), whose sum is σ = 818400. Its totient is φ = 809820.

The previous prime is 814097. The next prime is 814127. The reversal of 814109 is 901418.

814109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 814109 - 2¹² = 810013 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814129) 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, 1847 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (204600).

2⁸¹⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

814109 is a deficient number, since it is larger than the sum of its proper divisors (4291).

814109 is a wasteful number, since it uses less digits than its factorization.

814109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 814109 is about 902.2798900563. The cubic root of 814109 is about 93.3743343101.

The spelling of 814109 in words is "eight hundred fourteen thousand, one hundred nine".