930581808 has 160 divisors (see below), whose sum is σ = 2713159680. Its totient is φ = 272885760.

The previous prime is 930581801. The next prime is 930581831. The reversal of 930581808 is 808185039.

It is a self number, because there is not a number n which added to its sum of digits gives 930581808.

It is not an unprimeable number, because it can be changed into a prime (930581801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411783 + ... + 1412441.

It is an arithmetic number, because the mean of its divisors is an integer number (16957248).

Almost surely, 2^930581808 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 930581808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356579840).

930581808 is an abundant number, since it is smaller than the sum of its proper divisors (1782577872).

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

930581808 is a wasteful number, since it uses less digits than its factorization.

930581808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 930581808 is about 30505.4389904489. The cubic root of 930581808 is about 976.3035146247.

The spelling of 930581808 in words is "nine hundred thirty million, five hundred eighty-one thousand, eight hundred eight".