884213820 has 432 divisors, whose sum is σ = 3346237440. Its totient is φ = 195302016.

The previous prime is 884213783. The next prime is 884213833. The reversal of 884213820 is 28312488.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11192541 + ... + 11192619.

It is an arithmetic number, because the mean of its divisors is an integer number (7745920).

Almost surely, 2^884213820 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 884213820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673118720).

884213820 is an abundant number, since it is smaller than the sum of its proper divisors (2462023620).

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

884213820 is a wasteful number, since it uses less digits than its factorization.

884213820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 884213820 is about 29735.7330496492. The cubic root of 884213820 is about 959.8110956432.

The spelling of 884213820 in words is "eight hundred eighty-four million, two hundred thirteen thousand, eight hundred twenty".