578669 has 8 divisors (see below), whose sum is σ = 712320. Its totient is φ = 457776.

The previous prime is 578659. The next prime is 578687. The reversal of 578669 is 966875.

It is a happy number.

578669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578669 is a prime.

It is a super-2 number, since 2×578669² = 669715623122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 7³ + 6³ + 8 + 6⁶ + 9⁶ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (89040).

2⁵⁷⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

578669 is a deficient number, since it is larger than the sum of its proper divisors (133651).

578669 is a wasteful number, since it uses less digits than its factorization.

578669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379.

The product of its digits is 90720, while the sum is 41.

The square root of 578669 is about 760.7029643691. The cubic root of 578669 is about 83.3316675223.

It can be divided in two parts, 57866 and 9, that added together give a palindrome (57875).

The spelling of 578669 in words is "five hundred seventy-eight thousand, six hundred sixty-nine".