801356 has 12 divisors (see below), whose sum is σ = 1418760. Its totient is φ = 396000.

The previous prime is 801349. The next prime is 801371. The reversal of 801356 is 653108.

It is an unprimeable number.

801356 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 3 ways as a sum of consecutive naturals, for example, 770 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (118230).

2⁸⁰¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

801356 is a deficient number, since it is larger than the sum of its proper divisors (617404).

801356 is a wasteful number, since it uses less digits than its factorization.

801356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 801356 is about 895.1848971023. The cubic root of 801356 is about 92.8841970197.

It can be divided in two parts, 801 and 356, that multiplied together give a square (285156 = 534²).

The spelling of 801356 in words is "eight hundred one thousand, three hundred fifty-six".