834690 has 16 divisors (see below), whose sum is σ = 2003328. Its totient is φ = 222576.

The previous prime is 834671. The next prime is 834703. The reversal of 834690 is 96438.

It is a super-2 number, since 2×834690² = 1393414792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 27823 = 834690 / (8 + 3 + 4 + 6 + 9 + 0).

It is an unprimeable number.

834690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13882 + ... + 13941.

It is an arithmetic number, because the mean of its divisors is an integer number (125208).

2⁸³⁴⁶⁹⁰ is an apocalyptic number.

834690 is an abundant number, since it is smaller than the sum of its proper divisors (1168638).

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

834690 is a wasteful number, since it uses less digits than its factorization.

834690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27833.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 834690 is about 913.6137039252. The cubic root of 834690 is about 94.1546420893.

The spelling of 834690 in words is "eight hundred thirty-four thousand, six hundred ninety".