853221246 has 16 divisors (see below), whose sum is σ = 1761489408. Its totient is φ = 275232600.

The previous prime is 853221241. The next prime is 853221247. The reversal of 853221246 is 642122358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853221241) 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, 2293420 + ... + 2293791.

It is an arithmetic number, because the mean of its divisors is an integer number (110093088).

Almost surely, 2^853221246 is an apocalyptic number.

853221246 is an abundant number, since it is smaller than the sum of its proper divisors (908268162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853221246 is a wasteful number, since it uses less digits than its factorization.

853221246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587247.

The product of its digits is 23040, while the sum is 33.

The square root of 853221246 is about 29209.9511468267. The cubic root of 853221246 is about 948.4633499325.

It can be divided in two parts, 85322 and 1246, that added together give a palindrome (86568).

The spelling of 853221246 in words is "eight hundred fifty-three million, two hundred twenty-one thousand, two hundred forty-six".