578216 has 8 divisors (see below), whose sum is σ = 1084170. Its totient is φ = 289104.

The previous prime is 578213. The next prime is 578251. The reversal of 578216 is 612875.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 206116 = 610^2 + 454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (578213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36131 + ... + 36146.

2⁵⁷⁸²¹⁶ is an apocalyptic number.

It is an amenable number.

578216 is a deficient number, since it is larger than the sum of its proper divisors (505954).

578216 is a wasteful number, since it uses less digits than its factorization.

578216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72283 (or 72279 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 578216 is about 760.4051551640. The cubic root of 578216 is about 83.3099169763.

The spelling of 578216 in words is "five hundred seventy-eight thousand, two hundred sixteen".