846143472 has 20 divisors (see below), whose sum is σ = 2185870760. Its totient is φ = 282047808.

The previous prime is 846143453. The next prime is 846143489. The reversal of 846143472 is 274341648.

It is a self number, because there is not a number n which added to its sum of digits gives 846143472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8813947 + ... + 8814042.

It is an arithmetic number, because the mean of its divisors is an integer number (109293538).

Almost surely, 2^846143472 is an apocalyptic number.

It is an amenable number.

846143472 is an abundant number, since it is smaller than the sum of its proper divisors (1339727288).

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

846143472 is a wasteful number, since it uses less digits than its factorization.

846143472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17628000 (or 17627994 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 846143472 is about 29088.5453744253. The cubic root of 846143472 is about 945.8334507679.

The spelling of 846143472 in words is "eight hundred forty-six million, one hundred forty-three thousand, four hundred seventy-two".