846806864 has 80 divisors (see below), whose sum is σ = 1738134288. Its totient is φ = 399200256.

The previous prime is 846806861. The next prime is 846806867. The reversal of 846806864 is 468608648.

It is an interprime number because it is at equal distance from previous prime (846806861) and next prime (846806867).

It can be written as a sum of positive squares in 8 ways, for example, as 357512464 + 489294400 = 18908^2 + 22120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846806861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4298414 + ... + 4298610.

Almost surely, 2^846806864 is an apocalyptic number.

It is an amenable number.

846806864 is an abundant number, since it is smaller than the sum of its proper divisors (891327424).

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

846806864 is a wasteful number, since it uses less digits than its factorization.

846806864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 846806864 is about 29099.9461167886. The cubic root of 846806864 is about 946.0805697878.

The spelling of 846806864 in words is "eight hundred forty-six million, eight hundred six thousand, eight hundred sixty-four".