814469 has 2 divisors, whose sum is σ = 814470. Its totient is φ = 814468.

The previous prime is 814447. The next prime is 814477. The reversal of 814469 is 964418.

814469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 112225 = 838^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 814469 - 2⁸ = 814213 is a prime.

It is a super-2 number, since 2×814469² = 1326719503922, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407234 + 407235.

It is an arithmetic number, because the mean of its divisors is an integer number (407235).

2⁸¹⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

814469 is a deficient number, since it is larger than the sum of its proper divisors (1).

814469 is an equidigital number, since it uses as much as digits as its factorization.

814469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 814469 is about 902.4793626449. The cubic root of 814469 is about 93.3880956969.

The spelling of 814469 in words is "eight hundred fourteen thousand, four hundred sixty-nine".