847231146 has 12 divisors (see below), whose sum is σ = 1835667522. Its totient is φ = 282410376.

The previous prime is 847231141. The next prime is 847231163. The reversal of 847231146 is 641132748.

It can be written as a sum of positive squares in only one way, i.e., 731432025 + 115799121 = 27045^2 + 10761^2 .

It is a super-2 number, since 2×847231146² = 1435601229504946632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 847231146.

It is not an unprimeable number, because it can be changed into a prime (847231141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23534181 + ... + 23534216.

Almost surely, 2^847231146 is an apocalyptic number.

847231146 is an abundant number, since it is smaller than the sum of its proper divisors (988436376).

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

847231146 is a wasteful number, since it uses less digits than its factorization.

847231146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47068405 (or 47068402 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 847231146 is about 29107.2352860934. The cubic root of 847231146 is about 946.2385506893.

The spelling of 847231146 in words is "eight hundred forty-seven million, two hundred thirty-one thousand, one hundred forty-six".