4366561 has 4 divisors (see below), whose sum is σ = 4596400. Its totient is φ = 4136724.

The previous prime is 4366519. The next prime is 4366577. The reversal of 4366561 is 1656634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4366561 - 2¹³ = 4358369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4366861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114891 + ... + 114928.

It is an arithmetic number, because the mean of its divisors is an integer number (1149100).

Almost surely, 2^4366561 is an apocalyptic number.

It is an amenable number.

4366561 is a deficient number, since it is larger than the sum of its proper divisors (229839).

4366561 is a wasteful number, since it uses less digits than its factorization.

4366561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229838.

The product of its digits is 12960, while the sum is 31.

The square root of 4366561 is about 2089.6317857460. The cubic root of 4366561 is about 163.4480877130.

The spelling of 4366561 in words is "four million, three hundred sixty-six thousand, five hundred sixty-one".