846939285 has 12 divisors (see below), whose sum is σ = 1468028172. Its totient is φ = 451700928.

The previous prime is 846939257. The next prime is 846939293. The reversal of 846939285 is 582939648.

846939285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 597362481 + 249576804 = 24441^2 + 15798^2 .

It is not a de Polignac number, because 846939285 - 2⁵ = 846939253 is a prime.

It is a super-2 number, since 2×846939285² = 1434612304952622450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9410392 + ... + 9410481.

It is an arithmetic number, because the mean of its divisors is an integer number (122335681).

Almost surely, 2^846939285 is an apocalyptic number.

It is an amenable number.

846939285 is a deficient number, since it is larger than the sum of its proper divisors (621088887).

846939285 is a wasteful number, since it uses less digits than its factorization.

846939285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820884 (or 18820881 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 846939285 is about 29102.2213069724. The cubic root of 846939285 is about 946.1298822543.

The spelling of 846939285 in words is "eight hundred forty-six million, nine hundred thirty-nine thousand, two hundred eighty-five".