846478044 has 72 divisors (see below), whose sum is σ = 2258256000. Its totient is φ = 266605344.

The previous prime is 846478043. The next prime is 846478051. The reversal of 846478044 is 440874648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846478043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298867 + ... + 301685.

Almost surely, 2^846478044 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 846478044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129128000).

846478044 is an abundant number, since it is smaller than the sum of its proper divisors (1411777956).

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

846478044 is a wasteful number, since it uses less digits than its factorization.

846478044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 846478044 is about 29094.2957295756. The cubic root of 846478044 is about 945.9580977496.

The spelling of 846478044 in words is "eight hundred forty-six million, four hundred seventy-eight thousand, forty-four".