934809 has 4 divisors (see below), whose sum is σ = 1246416. Its totient is φ = 623204.

The previous prime is 934799. The next prime is 934811. The reversal of 934809 is 908439.

934809 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 934809 - 2⁴ = 934793 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 934809.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 934809.

It is not an unprimeable number, because it can be changed into a prime (934889) 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, 155799 + ... + 155804.

It is an arithmetic number, because the mean of its divisors is an integer number (311604).

2⁹³⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

934809 is a deficient number, since it is larger than the sum of its proper divisors (311607).

934809 is a wasteful number, since it uses less digits than its factorization.

934809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311606.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 934809 is about 966.8552114976. The cubic root of 934809 is about 97.7779576539. Note that the first 3 decimals are identical.

The spelling of 934809 in words is "nine hundred thirty-four thousand, eight hundred nine".