804249 has 10 divisors (see below), whose sum is σ = 1201530. Its totient is φ = 536112.

The previous prime is 804239. The next prime is 804259. The reversal of 804249 is 942408.

It is an interprime number because it is at equal distance from previous prime (804239) and next prime (804259).

It can be written as a sum of positive squares in only one way, i.e., 585225 + 219024 = 765^2 + 468^2 .

It is not a de Polignac number, because 804249 - 2¹⁵ = 771481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (804239) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4884 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (120153).

2⁸⁰⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

804249 is a deficient number, since it is larger than the sum of its proper divisors (397281).

804249 is an equidigital number, since it uses as much as digits as its factorization.

804249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941 (or 9932 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 804249 is about 896.7993086527. The cubic root of 804249 is about 92.9958374828.

The spelling of 804249 in words is "eight hundred four thousand, two hundred forty-nine".