812834 has 8 divisors (see below), whose sum is σ = 1330128. Its totient is φ = 369460.

The previous prime is 812807. The next prime is 812849. The reversal of 812834 is 438218.

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

It is a super-2 number, since 2×812834² = 1321398223112, which contains 22 as substring.

It is a plaindrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18452 + ... + 18495.

It is an arithmetic number, because the mean of its divisors is an integer number (166266).

2⁸¹²⁸³⁴ is an apocalyptic number.

812834 is a deficient number, since it is larger than the sum of its proper divisors (517294).

812834 is a wasteful number, since it uses less digits than its factorization.

812834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36960.

The product of its digits is 1536, while the sum is 26.

The square root of 812834 is about 901.5730696954. The cubic root of 812834 is about 93.3255634121.

The spelling of 812834 in words is "eight hundred twelve thousand, eight hundred thirty-four".