578417216 has 56 divisors (see below), whose sum is σ = 1242715320. Its totient is φ = 265531392.

The previous prime is 578417167. The next prime is 578417219. The reversal of 578417216 is 612714875.

It can be written as a sum of positive squares in 4 ways, for example, as 44622400 + 533794816 = 6680^2 + 23104^2 .

It is not an unprimeable number, because it can be changed into a prime (578417219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162140 + ... + 165668.

It is an arithmetic number, because the mean of its divisors is an integer number (22191345).

Almost surely, 2^578417216 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 578417216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621357660).

578417216 is an abundant number, since it is smaller than the sum of its proper divisors (664298104).

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

578417216 is a wasteful number, since it uses less digits than its factorization.

578417216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3741 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 578417216 is about 24050.3059440000. The cubic root of 578417216 is about 833.1957965372.

The spelling of 578417216 in words is "five hundred seventy-eight million, four hundred seventeen thousand, two hundred sixteen".