853247 has 8 divisors (see below), whose sum is σ = 921456. Its totient is φ = 787072.

The previous prime is 853241. The next prime is 853283. The reversal of 853247 is 742358.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 853247 - 2¹⁴ = 836863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (115182).

2⁸⁵³²⁴⁷ is an apocalyptic number.

853247 is a deficient number, since it is larger than the sum of its proper divisors (68209).

853247 is a wasteful number, since it uses less digits than its factorization.

853247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its digits is 6720, while the sum is 29.

The square root of 853247 is about 923.7137002340. The cubic root of 853247 is about 94.8472892779.

Subtracting from 853247 its reverse (742358), we obtain a square (110889 = 333²).

The spelling of 853247 in words is "eight hundred fifty-three thousand, two hundred forty-seven".