4366661 has 4 divisors (see below), whose sum is σ = 4702572. Its totient is φ = 4030752.

The previous prime is 4366643. The next prime is 4366667. The reversal of 4366661 is 1666634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390625 + 3976036 = 625^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4366661 - 2¹⁴ = 4350277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4366667) 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, 167936 + ... + 167961.

It is an arithmetic number, because the mean of its divisors is an integer number (1175643).

Almost surely, 2^4366661 is an apocalyptic number.

It is an amenable number.

4366661 is a deficient number, since it is larger than the sum of its proper divisors (335911).

4366661 is a wasteful number, since it uses less digits than its factorization.

4366661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335910.

The product of its digits is 15552, while the sum is 32.

The square root of 4366661 is about 2089.6557132695. The cubic root of 4366661 is about 163.4493354290.

The spelling of 4366661 in words is "four million, three hundred sixty-six thousand, six hundred sixty-one".