904829 has 8 divisors (see below), whose sum is σ = 960120. Its totient is φ = 851200.

The previous prime is 904823. The next prime is 904847. The reversal of 904829 is 928409.

It can be written as a sum of positive squares in 4 ways, for example, as 52900 + 851929 = 230^2 + 923^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 904829 - 2⁸ = 904573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 904795 and 904804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904823) 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, 809 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2⁹⁰⁴⁸²⁹ is an apocalyptic number.

It is an amenable number.

904829 is a deficient number, since it is larger than the sum of its proper divisors (55291).

904829 is a wasteful number, since it uses less digits than its factorization.

904829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 904829 is about 951.2249996715. The cubic root of 904829 is about 96.7213101017.

The spelling of 904829 in words is "nine hundred four thousand, eight hundred twenty-nine".