805672 has 16 divisors (see below), whose sum is σ = 1726560. Its totient is φ = 345264.

The previous prime is 805639. The next prime is 805687. The reversal of 805672 is 276508.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 805672.

It is an unprimeable number.

805672 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, 7138 + ... + 7249.

It is an arithmetic number, because the mean of its divisors is an integer number (107910).

2⁸⁰⁵⁶⁷² is an apocalyptic number.

It is an amenable number.

805672 is an abundant number, since it is smaller than the sum of its proper divisors (920888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805672 is a wasteful number, since it uses less digits than its factorization.

805672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400 (or 14396 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 805672 is about 897.5923350831. The cubic root of 805672 is about 93.0506526397.

It can be divided in two parts, 8056 and 72, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 805672 in words is "eight hundred five thousand, six hundred seventy-two".