800249 has 4 divisors (see below), whose sum is σ = 802164. Its totient is φ = 798336.

The previous prime is 800243. The next prime is 800281. The reversal of 800249 is 942008.

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 446224 + 354025 = 668^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 800249 - 2⁸ = 799993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800243) 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, 32 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (200541).

2⁸⁰⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

800249 is a deficient number, since it is larger than the sum of its proper divisors (1915).

800249 is a wasteful number, since it uses less digits than its factorization.

800249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 800249 is about 894.5663754021. The cubic root of 800249 is about 92.8414069700.

The spelling of 800249 in words is "eight hundred thousand, two hundred forty-nine".