819414 has 12 divisors (see below), whose sum is σ = 1775436. Its totient is φ = 273132.

The previous prime is 819409. The next prime is 819419. The reversal of 819414 is 414918.

It is an interprime number because it is at equal distance from previous prime (819409) and next prime (819419).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819419) by changing a digit.

819414 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22744 + ... + 22779.

It is an arithmetic number, because the mean of its divisors is an integer number (147953).

2⁸¹⁹⁴¹⁴ is an apocalyptic number.

819414 is an abundant number, since it is smaller than the sum of its proper divisors (956022).

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

819414 is a wasteful number, since it uses less digits than its factorization.

819414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45531 (or 45528 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 819414 is about 905.2148916141. The cubic root of 819414 is about 93.5767145670.

Subtracting from 819414 its reverse (414918), we obtain a square (404496 = 636²).

The spelling of 819414 in words is "eight hundred nineteen thousand, four hundred fourteen".