813356 has 6 divisors (see below), whose sum is σ = 1423380. Its totient is φ = 406676.

The previous prime is 813343. The next prime is 813361. The reversal of 813356 is 653318.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101666 + ... + 101673.

It is an arithmetic number, because the mean of its divisors is an integer number (237230).

2⁸¹³³⁵⁶ is an apocalyptic number.

It is an amenable number.

813356 is a deficient number, since it is larger than the sum of its proper divisors (610024).

813356 is a wasteful number, since it uses less digits than its factorization.

813356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203343 (or 203341 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 813356 is about 901.8625172386. The cubic root of 813356 is about 93.3455369530.

The spelling of 813356 in words is "eight hundred thirteen thousand, three hundred fifty-six".