368666 has 4 divisors (see below), whose sum is σ = 553002. Its totient is φ = 184332.

The previous prime is 368653. The next prime is 368689. The reversal of 368666 is 666863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666863 = 401 ⋅1663.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 14641 = 595^2 + 121^2 .

368666 is a modest number, since divided by 666 gives 368 as remainder.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 92165 + ... + 92168.

2³⁶⁸⁶⁶⁶ is an apocalyptic number.

368666 is a deficient number, since it is larger than the sum of its proper divisors (184336).

368666 is a wasteful number, since it uses less digits than its factorization.

368666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184335.

The product of its digits is 31104, while the sum is 35.

The square root of 368666 is about 607.1787216298. The cubic root of 368666 is about 71.7041616189.

The spelling of 368666 in words is "three hundred sixty-eight thousand, six hundred sixty-six".