809466 has 16 divisors (see below), whose sum is σ = 1850304. Its totient is φ = 231264.

The previous prime is 809461. The next prime is 809491. The reversal of 809466 is 664908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9595 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (115644).

2⁸⁰⁹⁴⁶⁶ is an apocalyptic number.

809466 is an abundant number, since it is smaller than the sum of its proper divisors (1040838).

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

809466 is a wasteful number, since it uses less digits than its factorization.

809466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19285.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 809466 is about 899.7032844221. The cubic root of 809466 is about 93.1964859574.

It can be divided in two parts, 809 and 466, that added together give a triangular number (1275 = T₅₀).

The spelling of 809466 in words is "eight hundred nine thousand, four hundred sixty-six".