813194 has 16 divisors (see below), whose sum is σ = 1282176. Its totient is φ = 386400.

The previous prime is 813167. The next prime is 813199. The reversal of 813194 is 491318.

It is a super-2 number, since 2×813194² = 1322568963272, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 813194.

It is not an unprimeable number, because it can be changed into a prime (813199) 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, 3749 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (80136).

2⁸¹³¹⁹⁴ is an apocalyptic number.

813194 is a deficient number, since it is larger than the sum of its proper divisors (468982).

813194 is a wasteful number, since it uses less digits than its factorization.

813194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 864, while the sum is 26.

The square root of 813194 is about 901.7726986331. The cubic root of 813194 is about 93.3393391827.

The spelling of 813194 in words is "eight hundred thirteen thousand, one hundred ninety-four".