946861808 has 40 divisors (see below), whose sum is σ = 1943982720. Its totient is φ = 445521600.

The previous prime is 946861807. The next prime is 946861829. The reversal of 946861808 is 808168649.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946861807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35591 + ... + 56217.

It is an arithmetic number, because the mean of its divisors is an integer number (48599568).

Almost surely, 2^946861808 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 946861808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971991360).

946861808 is an abundant number, since it is smaller than the sum of its proper divisors (997120912).

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

946861808 is a wasteful number, since it uses less digits than its factorization.

946861808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20805 (or 20799 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 946861808 is about 30771.1197066340. The cubic root of 946861808 is about 981.9639250453.

The spelling of 946861808 in words is "nine hundred forty-six million, eight hundred sixty-one thousand, eight hundred eight".