846526380 has 192 divisors, whose sum is σ = 2918952960. Its totient is φ = 178972416.

The previous prime is 846526363. The next prime is 846526403. The reversal of 846526380 is 83625648.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341907 + ... + 344373.

It is an arithmetic number, because the mean of its divisors is an integer number (15202880).

Almost surely, 2^846526380 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 846526380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459476480).

846526380 is an abundant number, since it is smaller than the sum of its proper divisors (2072426580).

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

846526380 is a wasteful number, since it uses less digits than its factorization.

846526380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2546 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 846526380 is about 29095.1263960135. The cubic root of 846526380 is about 945.9761029264.

The spelling of 846526380 in words is "eight hundred forty-six million, five hundred twenty-six thousand, three hundred eighty".