873247 has 2 divisors, whose sum is σ = 873248. Its totient is φ = 873246.

The previous prime is 873209. The next prime is 873251. The reversal of 873247 is 742378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 873247 - 2¹⁵ = 840479 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 7³ + 2⁷ + 3⁴ + 4⁷ + 7⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436623 + 436624.

It is an arithmetic number, because the mean of its divisors is an integer number (436624).

2⁸⁷³²⁴⁷ is an apocalyptic number.

873247 is a deficient number, since it is larger than the sum of its proper divisors (1).

873247 is an equidigital number, since it uses as much as digits as its factorization.

873247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 873247 is about 934.4768589965. The cubic root of 873247 is about 95.5826427525.

The spelling of 873247 in words is "eight hundred seventy-three thousand, two hundred forty-seven".