4678569 has 27 divisors (see below), whose sum is σ = 7938333. Its totient is φ = 2647512.

The previous prime is 4678567. The next prime is 4678631. The reversal of 4678569 is 9658764.

The square root of 4678569 is 2163.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4678569 - 2¹ = 4678567 is a prime.

It is a super-3 number, since 3×4678569³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 4² + 6² + 7⁷ + 8⁷ + 5⁷ + 6⁸ + 9² .

It is not an unprimeable number, because it can be changed into a prime (4678561) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45372 + ... + 45474.

Almost surely, 2^4678569 is an apocalyptic number.

4678569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4678569 is the 2163-rd square number.

4678569 is the 1082-nd centered octagonal number.

It is an amenable number.

4678569 is a deficient number, since it is larger than the sum of its proper divisors (3259764).

4678569 is a wasteful number, since it uses less digits than its factorization.

4678569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 113 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The cubic root of 4678569 is about 167.2518818452.

It can be divided in two parts, 467856 and 9, that multiplied together give a square (4210704 = 2052²).

The spelling of 4678569 in words is "four million, six hundred seventy-eight thousand, five hundred sixty-nine".