809454 has 8 divisors (see below), whose sum is σ = 1618920. Its totient is φ = 269816.

The previous prime is 809453. The next prime is 809461. The reversal of 809454 is 454908.

It is a sphenic number, since it is the product of 3 distinct primes.

809454 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 809454.

It is not an unprimeable number, because it can be changed into a prime (809453) 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, 67449 + ... + 67460.

It is an arithmetic number, because the mean of its divisors is an integer number (202365).

2⁸⁰⁹⁴⁵⁴ is an apocalyptic number.

809454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

809454 is a wasteful number, since it uses less digits than its factorization.

809454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134914.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 809454 is about 899.6966155321. The cubic root of 809454 is about 93.1960254219.

The spelling of 809454 in words is "eight hundred nine thousand, four hundred fifty-four".