846220284 has 192 divisors, whose sum is σ = 2736097280. Its totient is φ = 222969024.

The previous prime is 846220283. The next prime is 846220321. The reversal of 846220284 is 482022648.

It is a happy number.

846220284 is a `hidden beast` number, since 8 + 4 + 622 + 0 + 28 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846220283) 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, 795537 + ... + 796599.

Almost surely, 2^846220284 is an apocalyptic number.

846220284 is a gapful number since it is divisible by the number (84) 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 846220284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368048640).

846220284 is an abundant number, since it is smaller than the sum of its proper divisors (1889876996).

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

846220284 is a wasteful number, since it uses less digits than its factorization.

846220284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 846220284 is about 29089.8656579916. The cubic root of 846220284 is about 945.8620704852.

The spelling of 846220284 in words is "eight hundred forty-six million, two hundred twenty thousand, two hundred eighty-four".