846821376 has 72 divisors (see below), whose sum is σ = 2445828840. Its totient is φ = 282267648.

The previous prime is 846821347. The next prime is 846821399. The reversal of 846821376 is 673128648.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4540 + ... + 41403.

It is an arithmetic number, because the mean of its divisors is an integer number (33969845).

Almost surely, 2^846821376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846821376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222914420).

846821376 is an abundant number, since it is smaller than the sum of its proper divisors (1599007464).

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

846821376 is a wasteful number, since it uses less digits than its factorization.

846821376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45971 (or 45948 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 846821376 is about 29100.1954632611. The cubic root of 846821376 is about 946.0859741853.

The spelling of 846821376 in words is "eight hundred forty-six million, eight hundred twenty-one thousand, three hundred seventy-six".