366601 has 4 divisors (see below), whose sum is σ = 373572. Its totient is φ = 359632.

The previous prime is 366599. The next prime is 366607. The reversal of 366601 is 106663.

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 251001 + 115600 = 501^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 366601 - 2¹ = 366599 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (93393).

2³⁶⁶⁶⁰¹ is an apocalyptic number.

It is an amenable number.

366601 is a deficient number, since it is larger than the sum of its proper divisors (6971).

366601 is an equidigital number, since it uses as much as digits as its factorization.

366601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 366601 is about 605.4758459262. The cubic root of 366601 is about 71.5700326097.

The spelling of 366601 in words is "three hundred sixty-six thousand, six hundred one".