884785440 has 384 divisors, whose sum is σ = 3574222848. Its totient is φ = 178606080.

The previous prime is 884785439. The next prime is 884785441. The reversal of 884785440 is 44587488.

It is an interprime number because it is at equal distance from previous prime (884785439) and next prime (884785441).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 884785440.

It is not an unprimeable number, because it can be changed into a prime (884785441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1367197 + ... + 1367843.

It is an arithmetic number, because the mean of its divisors is an integer number (9307872).

Almost surely, 2^884785440 is an apocalyptic number.

884785440 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 884785440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787111424).

884785440 is an abundant number, since it is smaller than the sum of its proper divisors (2689437408).

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

884785440 is a wasteful number, since it uses less digits than its factorization.

884785440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 48.

The square root of 884785440 is about 29745.3431649393. The cubic root of 884785440 is about 960.0178816114.

The spelling of 884785440 in words is "eight hundred eighty-four million, seven hundred eighty-five thousand, four hundred forty".