846704240 has 80 divisors (see below), whose sum is σ = 2042535936. Its totient is φ = 326073600.

The previous prime is 846704237. The next prime is 846704249. The reversal of 846704240 is 42407648.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×846704240³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 846704240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846704249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552275 + ... + 553805.

Almost surely, 2^846704240 is an apocalyptic number.

846704240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846704240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021267968).

846704240 is an abundant number, since it is smaller than the sum of its proper divisors (1195831696).

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

846704240 is a wasteful number, since it uses less digits than its factorization.

846704240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 846704240 is about 29098.1827611279. The cubic root of 846704240 is about 946.0423499375.

The spelling of 846704240 in words is "eight hundred forty-six million, seven hundred four thousand, two hundred forty".