809674 has 4 divisors (see below), whose sum is σ = 1214514. Its totient is φ = 404836.

The previous prime is 809629. The next prime is 809701. The reversal of 809674 is 476908.

809674 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.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 8649 = 895^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202417 + ... + 202420.

2⁸⁰⁹⁶⁷⁴ is an apocalyptic number.

809674 is a deficient number, since it is larger than the sum of its proper divisors (404840).

809674 is a wasteful number, since it uses less digits than its factorization.

809674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404839.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 809674 is about 899.8188706623. The cubic root of 809674 is about 93.2044678487.

The spelling of 809674 in words is "eight hundred nine thousand, six hundred seventy-four".