846556916 has 12 divisors (see below), whose sum is σ = 1509427332. Its totient is φ = 415291968.

The previous prime is 846556891. The next prime is 846556933. The reversal of 846556916 is 619655648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 765628900 + 80928016 = 27670^2 + 8996^2 .

It is a super-2 number, since 2×846556916² = 1433317224054862112, 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 3 ways as a sum of consecutive naturals, for example, 1996385 + ... + 1996808.

It is an arithmetic number, because the mean of its divisors is an integer number (125785611).

Almost surely, 2^846556916 is an apocalyptic number.

It is an amenable number.

846556916 is a deficient number, since it is larger than the sum of its proper divisors (662870416).

846556916 is a wasteful number, since it uses less digits than its factorization.

846556916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993250 (or 3993248 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The square root of 846556916 is about 29095.6511527067. The cubic root of 846556916 is about 945.9874772437.

The spelling of 846556916 in words is "eight hundred forty-six million, five hundred fifty-six thousand, nine hundred sixteen".