578409216 has 144 divisors (see below), whose sum is σ = 1919463168. Its totient is φ = 150220800.

The previous prime is 578409179. The next prime is 578409233. The reversal of 578409216 is 612904875.

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 15 ways as a sum of consecutive naturals, for example, 54246 + ... + 64026.

Almost surely, 2^578409216 is an apocalyptic number.

578409216 is a gapful number since it is divisible by the number (56) 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 578409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959731584).

578409216 is an abundant number, since it is smaller than the sum of its proper divisors (1341053952).

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

578409216 is a wasteful number, since it uses less digits than its factorization.

578409216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818 (or 9804 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 578409216 is about 24050.1396253743. The cubic root of 578409216 is about 833.1919552516.

The spelling of 578409216 in words is "five hundred seventy-eight million, four hundred nine thousand, two hundred sixteen".