862801 has 4 divisors (see below), whose sum is σ = 913572. Its totient is φ = 812032.

The previous prime is 862789. The next prime is 862811. The reversal of 862801 is 108268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 123201 = 860^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 862801 - 2⁵ = 862769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (862811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25360 + ... + 25393.

It is an arithmetic number, because the mean of its divisors is an integer number (228393).

2⁸⁶²⁸⁰¹ is an apocalyptic number.

It is an amenable number.

862801 is a deficient number, since it is larger than the sum of its proper divisors (50771).

862801 is a wasteful number, since it uses less digits than its factorization.

862801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50770.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 862801 is about 928.8708198668. The cubic root of 862801 is about 95.1999849940.

The spelling of 862801 in words is "eight hundred sixty-two thousand, eight hundred one".