834445 has 8 divisors (see below), whose sum is σ = 1060344. Its totient is φ = 628224.

The previous prime is 834439. The next prime is 834469. The reversal of 834445 is 544438.

It can be written as a sum of positive squares in 4 ways, for example, as 447561 + 386884 = 669^2 + 622^2 .

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 834445 - 2⁹ = 833933 is a prime.

It is a Duffinian number.

834445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (132543).

2⁸³⁴⁴⁴⁵ is an apocalyptic number.

834445 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

834445 is a deficient number, since it is larger than the sum of its proper divisors (225899).

834445 is a wasteful number, since it uses less digits than its factorization.

834445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839.

The product of its digits is 7680, while the sum is 28.

The square root of 834445 is about 913.4796111572. The cubic root of 834445 is about 94.1454290303.

It can be divided in two parts, 8 and 34445, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 834445 in words is "eight hundred thirty-four thousand, four hundred forty-five".