813093 has 16 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 502016.

The previous prime is 813091. The next prime is 813097. The reversal of 813093 is 390318.

It is a cyclic number.

It is not a de Polignac number, because 813093 - 2¹ = 813091 is a prime.

It is a super-2 number, since 2×813093² = 1322240453298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5383 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2⁸¹³⁰⁹³ is an apocalyptic number.

It is an amenable number.

813093 is a deficient number, since it is larger than the sum of its proper divisors (353307).

813093 is a wasteful number, since it uses less digits than its factorization.

813093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 813093 is about 901.7166960859. The cubic root of 813093 is about 93.3354747241.

The spelling of 813093 in words is "eight hundred thirteen thousand, ninety-three".